With the appropriate graph drawn to scale,determine the mean, the 80th percentile and the mid-50%

The table below gives the lead times(in days) for a random sample of recent orders.
14 19 5 13 20 15 9 16 20 9 2 10 7 12 18 24 1 8 11 5 13 6 2 11 16 20 18 2 4 10 22 17 13 10 21 12 23 18 10 3