calculate the karl pearson's coefficient of skewness for the following data x:0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 y:6 12 22 48 56 32 18 6
Answers
Karl Pearson's coefficient of Skewness
Explanation:
Class interval f x d= ∑
0-10 6 5 -3 -18 54
10-20 12 15 -2 -24 48
20-30 22 25 -1 -22 22
30-40 48 (A)35 0 0 0
40-50 56 45 1 56 56
50-60 32 55 2 64 128
60-70 18 65 3 54 162
70-80 6 75 4 24 96
200 134 566
Check the attached files for the formulas and further calculations