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cristina is twice as old as casandra.if 16 is added to casandras age and 16 is subtracted from cristinas age,there ages will be equal.what are their present ages?

How many ways can you make change for 25 using dimes, nickels, and/or pennies?

Fred recieved the following scores for his gymnastics routine: 8.5, 7.8, 8.0, 6.8, 7.1, 7.6. To figure out his score, the judges drop the highest and lowest score and then average the rest of his scores.a) What is Freds gymnastics score for the meet?b) How much better or worse would he have done if the judges did not drop the highest and lowest scores?

simplify the follwing boolean functions (using boolean algebra) to minimum number of literals:

[if gte mso 9]>

1 and < 11g. Write suitable symbols , , *, =
in-between the following sets;
(a) A B
(b) A D
(c) B D
(d) B C
In each case justify your answer. [4 Marks]
2. Let A =
Mary final exam grade counts as 20% for the average if she gets a 70 on the final exam she gets an 80 on the whole average. What is her average grade before taking the final exam?
i need it to be nice and clear plz and try solve in computer and use matlab virgen 10
can i get help
need ans for Q 2,4,7
Express the set using the roster method. To do that, first translate into English what this mathematical expression states. Then list the elements of this set in roster form. Explain how you arrived at your answer.
{x | x N and x
Please notice that you should be able to use the instructors live chat sessions during Week 5 to obtain the calculated values (slope, intercept, and correlation) as well as the required graph inside a second spreadsheet (I showed during Tuesday live chat how to open a second spreadsheet in the EXCEL posting) for Part III. Notice that I provided the instructions for EXCEL calculations in Parts 1 and 2 during Week 4.
In case you face an issue or you receive some error message, you can closely follow the steps shown below to create the formulas inside the spreadsheet and on obtain the required values and to create the graph:
Copy and paste the Task List data table from spreadsheet 1 (Part I labeled as fat) of your spreadsheet in exact location inside a new as the second spreadsheet so that the actual data would be placed between rows 2 and 253 of columns B and C. I showed during Week 5 live chat session how to add new spreadsheet to your current EXCEL spreadsheet. Then, follow the steps shown below to find the slope and intercept of the regression line, and to create the graph of scatter plot and the regression line, as required, in Part 3.
PART 3
Slope
1. place the cursor inside an empty cell to right side of the data table in spreadsheet Part III.
2. Open formula tab at the top of the spreadsheet.
3. Open more functions tab at the top of the spreadsheet.
4. Open statistical tab from the menu that opens.
5. Select and open SLOPE tab from a vertical menu that opens.
6. Type in exactly C2:C253 inside the top window labeled as Known_Ys
7. Type in exactly B2:B253 inside the lower window labeled as Known_Xs
8. Left click on OPEN tab of the window.
9. Move the cursor to a remote cell location (a blank cell).
10. Finally, move and place the cursor inside the original cell location for slope.
You should be able to see the correct value for the slope of the regression line.
Intercept
For Y-intercept of the regression line, follow the steps stated above by selecting
INTERCEPT tab from the vertical menu, in Step 5 (above).
Correlation
To find the correlation coefficient between body fat and body weight, follow the 10 steps shown above including:
5. Select and open CORREL tab from a vertical menu that opens.
6. Type in exactly C2:C253 inside the top window labeled as Array 1.
7. Type in exactly B2:B253 inside the lower window labeled as Array 2.
Graph
In order to find the graph in Part 3 (inside Spreadsheet III), follow these steps:
1. Place the cursor in an empty area (below calculated regression and correlation).
2. Place the cursor in the cell location B2 (top cell for body fat) by holding down the left click of the mouse. Then, drag and cover the entire data for columns B and C (B2 to B253 and C2 to C253) so that you can see shaded area inside this long window.
3. Open the Inset tab at the top of the spreadsheet.
4. Open the Scatter tab below the insert tab.
5. Select and open the top left window (with picture of scattered points).
6. You should be able to see the graph of scattered points open in a large window.
7. Move the cursor to the rectangle at the top labeled as Chart Layouts .
8. Place the cursor on a small arrow on Chart Lay out looking downward. Open that arrow with left click of your mouse. Then, select the square tab at the intersection of third row and third column (labeled as Layout 9 . Press on left click to open that tab.
9. Select and open the small window on labeled as Layout 9 as explained above. This window shows graph of a small line along with some scattered points.
10. You should be able to see the graph the regression line inside the original graph passing through the scattered points.
11. Open the tab labeled as Axis Title under the horizontal axis.
12. Delete the Axis Title by using backspace key and type in: Body Fat (%).
13. Open the tab labeled as Axis Title under the vertical axis.
14. Delete the Axis Title by using backspace key and type in: Body Weight (lbs).
15. Open the tab labeled as Chart Title at top of the graph.
16. Delete the Chart Title by using backspace key and type in: Regression Line.
A cookie baker has an automatic mixer that turns out a sheet of dough 12 inches wide and 3/8 inch thick. The supervisor complained that too large a fraction of the dough has to be rerolled each time and order the baker to use a 4 inch diameter cookie cutter.
hi
I would like to know how much you will charge for the work. thanks and hope to hear from you.
A tea merchant mixes tea costing $7.40 per kg with tea costing $8.90 per kg in the ratio 3:2. At what price must he sell the mixture to make a profit of 15%?
write the standard form equation for the circle with a center of (-4,1) and a tangent line at -12x+5y+222
i want to know if you guys can help me with this work and how much it will cost.
Answer the question, considering an event to be unusual if its probability is less than or equal to 0.05.Is it unusual to get 5 when a pair of dice is rolled?
The pair of Points (6,y) and (10,-1) line on a line with the Slope of 1/4. what is the value of y?
math
At the university bookstore,2500 textbooks were sold last month.Math and science books sales totaled 1800 books.Write a fraction and a percent for the number of math and science books sold out of all the books sold.
in a fraction ,twice the numerator is 2 more than denominator. if 3 is added to the numerator and to the denominator, the new fraction is 2/3. find the original fraction
12.Construct a Venn diagram illustrating the following sets.U= {The Lion King, Aladdin, Cinderella, Beauty and the Beast, Snow White and the Seven Dwarfs, Toy Story, 101 Dalmatians, The Little Mermaid, The Incredibles}A= {Aladdin, Toy Story, The Lion King, Snow White and the Seven Dwarfs}B= {Snow Wh
A gasoline trucks supply tank is 2/3 of the way full. The tank is a cylinder 25 feet long wih a diameter of 10 feet. The truck unloads all its fuel at a gas station with a cubic storage tank with a volume of 2197 cubic feet. After the delivery, what will the hieght of the fuel in the storage tank be, to the nearest tenth of a foot, if the storage tank had 1 foot of fuel in it before the truck unloaded its fuel?
Colleges and Universities In a survey of four-year colleges and universities, it was found that 356 offered a liberal arts degree. 293 offered a computer engineering degree. 285 offered a nursing degree. 193 offered a liberal arts degree and a computer engineering degree.&bul
CHAPTER 3
TRANSPORTATION PROBLEM
Transportation problems are linear programming problems which involve transporting or shipping goods or products from several sources (plants) to several destinations (warehouses) at minimum costs.
It was first presented by F. L. Hitchcock in 1941 and later expanded by T. C. Koopmans.
To
From Supply Demand
Balanced Transportation Problems
A balanced transportation problem has equal number of units of demand and supply. That is, .
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Kerry has 12 paperweights in her collection.She has twice as many glass paperweights as metal,and 3 are wood.How many of each type of paperweight does she have?
There are five more children in Miss Browns class than in Mr whites class. Ten children move from MrS.Browns class to mr. Whites class. now there are twice as many children in Mr. Whites as in Mrs. Browns room. How many children were in Miss browns room before the move?
Prove that any line joining two points lying in opposite half-spaces determined by a hyperplane in R^n intersects the hyperplane.
show the solution(If there is).5. Eric works at a factory where he earns $9.24 an hour. He receives time-and-a-half for overtime and double time for work on Saturday. He worked 52 hours this week, with 8 hours overtime and 4 hours on Saturday. What was his gross pay for this week, including overtime and double time?6. What is the simple interest on a $14,500 loan at 9% interest for 5 years?
The monthly membership fee of the gymnasium was $65 three years ago. the fee has since had annual increases of 2.5% 5% and 3% respectively
10 q in algebra online homework.
The income statement for the OverUnder Company for the year ended December 31, 2007, appears below.Sales670,000Costs of goods sold390,000Gross profit280,000Expenses180,000*Net income$100,000*Includes $25,000 of interest expense and $20,000 of income tax expense.Additional information:a. Common stock
alicia, michael, willy, and lian got permission to clean a 2 and 3/4 acre lot to make a baseball field. It took them a total of 6 hours to clean the lot. If 2 more friends had helped them, how many hours in all would probably have taken to clean the lot
a multiple of 8 less than 78 the sum of the digit is even. the ones digit is 4 more than the tens digit
Milton opens a store credit card when he purchases appliances for his kitchen. The interest rate is 17.45%. He charges $3,740 to the card, and can pay $1,350 per month. What will the total cost of his purchase be?
M 240 -Lab 1 The Gradient You are standing on a plane in R3. In which direction should you walk in order to increase your elevation the fastest? In class well look at a demonstration which should help you to understand this question. First note that for any given direction, the rate of change in elevation is the same anywhere on the plane. So we are going to start at the origin, (0, 0). To define direction well use the angle from the positive x-axis. Call that angle ?. If you take a step of length one in the direction of ? in the x-y plane you move to the point (cos(?), sin(?)).
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math homewor help
an electronics store sells an average of 60 entertainment systems per month at an average of $800 more than the cost price. For every $20 increase in the selling price,the store sells one fewer system. what amount over the cost price will maximize revenue?
The price of one gallon of milk has increased from $3.24 to $4.05. What is the percentage increase?
There are 65 volcanoes in the US. This is about 4 1/3% of the total number of volcanoes on Earch. About how many volcanoes are there on Earch
Need answer in twenty minutes!!!ABC, Inc. purchased new machinery in order to improve its production process. Classify each of the following expenditures incurred last year as a capital expenditure (CE) or an immediate expense (IE) :a. $42,000 purchase priceb. $2,520 sales tax paid on the purchase p
Writing Assignment IConsider a function ! ! as the rate of earning money annually. Give an expression forthe amount of money earned over the entire year.Assumption: The function is continuous over the period of one year, meaning there youdo withdraw any of the earnings before the year ends.Steps:1. Determine the interval.2. How much money is earned on each day?3. What is the total amount earned over the year?Explain in clear statements what your expression means, defining terms and notationwherever necessary.
I Am A Number Greater Than 99 And Less Than 1,000. Two Of My Digits That Arent Next To Each Other Are The Same. My Tens Digit Could Not Be Greater and It Is 1 More Than My Hundreds Digit
What is the perimeter ofPQRwith verticesP(2, 9),Q(7, 3), andR(2, 3) in the coordinate plane? (1point)
21 units
25 units
34 units
36 units
let me know if you can help me.
A full time employee who work 40 hours per week earns $29.50 per hour. Estimate that persons annual income.
A student is required to report on 5 of 12 books on a reading list. CAlculate the number of ways in which she can select the five books?
Due to increased mailing costs, the new rate will cost publishers $36 million; this is 13.5% more than they paid the previous year. How much did it cost publishers last year?
Pack A, B and C each contained some cement. 1/3 of the cement was transferred from Packet A to Packet B. Then 1/3 of the cement was transferred from Packet B to Packet C. Finally, 1/3 of the cement was transferred from Packet C to Packet A. In the end, there were 12 kg of cement in each packet. What was the mass of cement in Packet B at first?
the total cost of pants and a jacket is $66.73. If the price of the pants is .15cents less than the jacket how much are the pants
can you help me with these problems?
hi I have truble solving this problems I would like to know if you can have them done by monday 1pm thank you.
Imagine you have 3 coins in your pocket: 2 coins are fair and have a head on one side and a tail on the other, 1 coin has a head on both sides of the coin. You reach into your pocket, pull out a coin, and place it on the table. You see a head. What is the chance that it is one of the fair coins? What is the process you used to come up with your answer? How could lyou adapt this process if you added more coins to your pocket to start with?
22. Julie a therapist scheduled seven more sessions in December than in November and 10 fewer than twice as many in January as in November. If she schedule a total of 237 sessions during that time how many were scheduled each month?
23. Maury twice as many pictures on his trip to Africa than he did on his trip to Italy. He took a team fewer pictures in California than he did in Africa. If you took a total of 385 pictures on all those trips how many did he take on each?
a scuba diver with a lung capacity of 5.4 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface(where the pressure is 1.0atm) while holding her breath, to what volume would the air in her lungs expand? (assume constant temperature) Express your answer using two significant figures.
MATH 475 Final Exam Version 2 5/14 1. Consider the sequence 0, 2, -6, 16, resulting from a homogeneous linear recurrence relation of order 2. Find: (a) The appropriate constants u, v so that an = uan-1 + van-2. (b) A closed formula for an. (c) The closed form of the generating function for an. 2. Let hn be the number of permutations of n of the letters a, b, c, d, e where #a = 0 or 2, #b, c = 0, #d =odd nonnegative and #e =even nonnegative. Write the exponential generating function for hn in: (a) A closed form. (b) The form h0 + h1x + h2x2 + 1Pn=3hn xn n! 3.
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hi I have truble solving this problems I would like to know if you can have them done by monday 1pm thank you. I have send pg 1 two times is only 3 pg
I am stuck on solving the following:simplfy and solve43(19-7x) + 32(19-7x) = 25(7x-19)
The deans house was built on a rectangular lot that is 70 ft wide along the street. The lot is 120 ft deep. Make a drawing of the lot. If mr.dean stands 12 ft from the street, how far is he from the back of the lot?
you have a choice of two accounts in which to invest your money for one year. Account A pays 7.3% simple interest rate and account B pays 6.5% interest compounded monthly. Compute the effective annual yield of account B and determine which account has the better rate.
precalc
what is the prime factorization of 100
solve: sec^2(x)=(sqrt3)tanx+1 on the interval [0,&pi)
and
Suppose that f(x)=1/(x+1), for x cannot equal -1 and g(x)=2x^2 for all x a real number. Find (f o g)(x). Find (g o f)(x).
Thanks for the help
. HIV Infections The cumulative number of HIV
infections N in thousands for the United States in year
x can be approximated by the formula N= 42x -83,197,
where x>2000 Approximate the year when this number

reached 970 thousand. (Source: Centers for Disease

Control and Prevention.)

50 word response: How do you know when an equation has infinately many solutions? How do you know when an equation has no solution?

sallys age is six years older then adam. three times adams age plus sallys age is 22.how old are adam and sally

1+87

In an isoscles triangle, the third side is 50% of the length of one of the equal sides. Find the length of the third side when the perimeter is 125ft.

bryn surveyed people at the mall to find how they get the majority of their news.the table shows her results.write the central angel for the following 10,18,20,12?

I have homework posted on wiley plus chapter 5.6 and 5.7 and you have till tomorrow same time ( 24 hours no more than that )

a motorist travelling along a straight level road in the direction 053 observes a pylon on a bearing of 037. 600m further along the road, the bearing of the pylon in 296 degrees.

Calculate the distance of the pylon from the road.

Mrs. Gutierrez bought 2 dozen cans of soda priced at 6 cans for $1.98 and 18 bottles of water priced at 6 bottles for $2.16. What is the total amount she spent,not including tax,on soda and bottled water?

jualia wants to plant 24 tamato plants in rows each row will have the same number of plants in it find three possible numbers of rows and the number ofplants in each row

please dont ans the ones are cross. Im seding you example anss, that will help you solve the simmiler problem..

do my math homework for me online

Contact me if you are 100% sure to do this assignment

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an art store buys paint for2.34 a bottlee and sells it for 5.50 a bottle. what is the percent of markup

Need done in the next 10 hours

Need an A

Please show all work in detail

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the ratio of a quater back compled passes attempted to passes attemped is 6 to 7 if he made 21 passes find how many passes he camplted

Please see attached assignment.

Thanks

i need assignment in 3 hours

Danille enjoys arts and crafts. She has a sewing class every 3 weeks and scraping book class every 4 weeks. at the earliest what will danille have both classes

4.82

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4.84

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the length of a side of an equilaterial triangle is represented by x+5 solve for x if the perimeter is 24. then the length of a side.

2006 to 2009. The plane was purchased new in 2006; therefore, x = 0represents the year 2006.X axis (horizontal) = years starting from 0 = 2006 and increasing by 0.5yearsY axis (vertical) = price in $ amounts from 24,000 to 240,000

Remember dont just type in the answer, in other words explain it clear so it can be comprehensible.

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A measure of center reduces a big pile of _______________ to _______________ number that, hopefully, is _______________ of the original data.

To save for college, the Smiths open a fund in which they will deposit $2,000 per year for 18 years. Viewed as a continuous income stream and assuming an APR of 6 percent compounded continuously, calculate the present value and future valvue of this fund.

4.90

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prove that the directrix of locus for all points which are from it can be drawn two normal tangents for parabola

I JUST NEED 1C

Attachments:

1c.docx

the diagonal of a square is 24 feet.Jane wants to build a fence around the garden.In order to buy enough fencing , jane needs to find the perimeter of the garden.find the lenght of the side garden to the nearest foot.what is the permieter of the garden?

5 questions and need all the working out

1.)Show and explain the stepsto Find the range of r(x) if given the function r(x)=5x+2/x-1

Find the range of h(x)=2x+1/x-3

the mean age of six persons is 46 years. the ages of five of six persons is 57,39,44,51,37. find the age of the sixth person

# Fruits and vegetables are sold by the pound. Add up your prices per pound for the fruits and vegetables and find the average cost per pound. (Example: If bananas are .79 per pound and apples are .59 per pound, the average is calculated like this: (.79 + .59)/2 = 1.38/2 = .69 per pound on average for the two fruits.)

jamal currently earns 20,00 a year in gross wages.on January 1 he is due to receive a 2% COLA. what will his gross income be after the COLA takes effect?

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excel worksheet is giving to for problems p4,p5, and p10

homework

I have homework posted on wileyplus.com chapter 6.1 part 1, part 2 and chapter 6.2 part 1, and part 2, the total questions are 19 and I need them within 5 hours from now

find the equation pf the point which passes through point m(1,1,1) parallel to vector a=i+2j-3k and to the axis oz

if there are 28 grams of slat to every 6.5 sticks of butter

how many grams are in one stick of butter?

need it at 1pm

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(Sample) Loan Project: Buying a House in Purcellville, Virginia Submitted by Suzanne Sands Purpose: To analyze the financial implications of purchasing a house. Task (1): House Description: I decided to choose a house in my hometown. This house is typical of homes in the new developments around town. I have no interest in moving, though I am happy in my own house, which was built in the 1970s and does not look like this house at all!) Asking price: $439,000 Real estate taxes: $4,836 (found in the http://www.loudoun.

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A family managed to decrease their energy consumption from 145 kilowatt-hours to 136 kilowatts-hours. What percent of energy has been saved?

how much does getting help on this assignment cost?

Consider the following data for a clinical laboratory.

Activity Annual Cost Cost Driver Test A Test B Test C Test D

Recieve specimen $10,000 Number of Test 2,000 1,500 1,000 500

Equipment Setup $25,000 Num of min per test 5 5 10 10

Run Test $100,000 Num of min per test 1 5 10 20

Record Results $10,000 Num of min per test 2 2 2 4

Transmit results $5,000 Num of min per test 3 3 3 3

Total Cost $150,000

A rectangular reflecting pool in a park is 20 feet wide and 30 feet long. The park gardener wants to plant a strip of grass of uniform width around the edge of the pool. She has enough seed to cover 336 square feet. What should be the width of the strip?

grades 60,0,58,71 this is on quizes and they are 30 percent of your grade and for classwork you have 100,100,100 and tha is 20 percent of your grade and for homework you have 100,100,100,100,85,70,0 an that is 5 percent of your grade and tests 70,0 and that is 40 percent of your grade if you make up the assignments that you have a zero in what grade would you need to make on them in order to make a 75 in the class

asap today

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How make this problem into an equation???

Trevor has five more than six times the minutes of candy that billy has. Billy has 47 peices, how many does Trevor have

due by 10pm

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a baseball is thrown straight up in the air. the hieght of the baseball is modeled by the equation y=-16x^2+50x where the x is the and y is the hieght of ball in feet. find the maximum height of the ball.round the decimal answer to the nearest

Easy Algebra about 40 questions. 20 if done by 2300, 30 if done by 2200

asap 10 questions

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Primary Task Response: Within the Discussion Board area, write 150200 words that respond to the following scenario with your thoughts, ideas, and comments.

Given the following statistics for the first nine students in a math course to complete a test:

Age

Test Score

18

87

21

92

23

76

31

81

24

98

19

94

39

88

26

94

22

91

Calculate the mean and median age of the class.

Calculate the mean and median test score.

Does this study represent a sample or a population.Justify your answer.

The Department Chair asked for the average test score from your class.You can report either the mean or median.The mean and median are close, but not exactly the same.Explain which you would report and why.Consider ethics in statistics.

Math homework I need it within 12 hours from now.

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Please give me a quote for this assignment.

Peripheral Visions, Inc., finds that the cost of producing x studio-quality DVDs is C=20x+100, while the revenue produced from them is R=24x (C and R in dollars)

Find the first three terms in asending powers. (Do not compute the entire product)

Need this in the next three hours

have to show work

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jim has a difficult golf shot to make. his ball is 100 m from the hole. he wants the ball to land 5 m in front of the hole, so it can roll to the hole. a 20m tree is between his ball and the hole, 40m from the hole and 60 m from jims ball. with the base of the tree as the origin, write an algebraic expression to model the height of the ball if it just clears the top of the tree.

Q

An arrangement of four point charges gives a field strength of 201 N/C in the +y direction at point P = (4, 1) m. If another charge of +7.80 C is added at (2, 5) m, what is the new field strength at point P?

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Assignment 2: Linear Regression

In this assignment, you will use a spreadsheet to examine pairs of variables, using the method of linear regression, to determine if there is any correlation between the variables. Afterwards, you will postulate whether this correlation reveals a causal relationship (and why).

Clickhere to open the Excel spreadsheet containing the data for this assignment.

This spreadsheet contains the data from a study that attempted to see if there is a correlation between the hours that a student studies and the grade that they earned on a test. The correlation test you are about to run will help you to determine if there is, in fact, a correlation between study time and test score. If you find a strong correlation, then you will postulate whether you feel this indicates a causal relationship.

Below are instructions on how to perform this correlation test in Microsoft Excel.

In the Excel spreadsheet, perform the following operations:

1.Save the spreadsheet to your computer.

2.With your mouse, highlight all of the data on the spreadsheet in columns A and B.

3.In the tabs at the top of the page, clickInsert.

4.In the Insert ribbon, in the Charts section, clickScatter. Be sure to select the option where it will just plot dots, it will be calledScatter with only Markers. If you do this right, then youll see a chart on the page.

5.Now, on the chart, right-click on one of the data points (dots). Just pick a dot somewhere near the middle of the distribution.

6.SelectAddTrendline from the drop-down menu that appears when you right-click on a dot.

7.A new menu will appear. SelectLinear, selectAutomatic, and click the boxes next toDisplay Equation on chart andDisplay r-squared value on chart.

8.ClickClose.

9.Now, you should see a line drawn through the dots. It will roughly cut through the middle of the dot distribution.

10.Youll also see the linear regression equation and r2value displayed next to the line.

To see an examplespreadsheet containing a completed analysis clickhere.

Now that you ve completed your analysis and determined the linear regression formula and r2, it now time to report on the results of your study and examine your findings.

In a Microsoft Word document, respond to the following:

1.Report the sample you selected and the question that was explored in the study.

2.Report the r2 linear correlation coefficient and the linear regression equation produced in the Excel spreadsheet.

3.What would be the value of Pearson s r (simply the square root of r2)?

4.Would Pearson s r be positive or negative? What does this imply about the relationship between the factors in this study?

5.What is the implication of any correlation found between the variables in the study you picked?

6.Does this correlation imply a causal relationship? Explain.

7.Are there other variables that you think should have been examined that would have improved this study or help to pinpoint what factors are causal?

For this assignment, you will submit a spreadsheet and a report. The spreadsheet will be the Microsoft Excel file containing yourscatterplot and analysis. Name your Microsoft Excel file as follows: LastnameFirstInitial_M3_A2.xls.

The report will be a Microsoft Word document in which you will address all of the questions in this assignment in the form of a narrative. Name your Microsoft Word document as follows: LastnameFirstInitial_M3_A2.docx.

Submit both files to theM3: Assignment 2Dropbox byTuesday, January 21, 2014.