1. A wholesale appliance distributor wished to study its accounts receivable for two successive months. Two independent samples of 50 accounts were selected for each of the two months. The results are summarized in the attached table. Using google-sheets determine the mean and the standard deviation, compare and contrast the results.

March April Amount Frequency Frequency 0- under $2,000 6 10 $ 2,000- under $4,000 13 14 4,000- under $6,000 17 6,000- under $8,000 $ 8,000- under $10,000 8 woow OA $10,000- under $12,000 Totals 50Suppose a consumer group asked 18 consumers to keep a yearly log of their shop- ping practices and that the following data represent the number of coupons used by each consumer over the yearly period. Use the data to construct a box and whisker plot. List the median, Q,, Q,, the endpoints for the inner fences, and the endpoints for the outer fences. Discuss the skewness of the distribution of these data and point out any outliers. 81 68 70 100 94 47 66 70 82 110 105 60 21 70 66 90 78 85