Please answer A-E and label each answer

9. Random samples were taken by the TLW Company from two different populations as part of a survey 31 10 69 25 62 61 46 71 57 74 38 29 B 1030 1111 1155 978 943 983 932 1067 1013 a. Compute the mean for each sample b. Compute the standard deviation for each sample. c. Calculate the ex d. Which sample has the lowest variation as a % of the mean? e. Why is the Cy a good measure for this data