Question: A survey was done and the data is below

5, 11, 20, 23, 32, 36, 40, 41, 42, 51, 56, 57, 59, 63

67, 68, 72, 75, 83, 87, 90, 96, 100

a. Divide the data into 7 classes and draw the Histogram

b. Calculate PI which is the Pearson Index of Skewness

c. Check if there are any outliers, show your work.

d. Does the data seem to be approximately normal? Why or Why Not?