The new candy Green Globules is being test-marketed in an area of upstate New York. The market research firm decided to sample 6 cities from the 45 cities in the area and then to sample supermarkets within cities, wanting to know the number of cases of Green Globules sold.
Number of City Supermarkets
152
219 337 439 58 614
Number of Cases Sold
146, 180, 251, 152, 72, 181, 171, 361, 73, 186
99, 101, 52, 121 199, 179, 98, 63, 126, 87, 62 226, 129, 57, 46, 86, 43, 85, 165 12, 23 87, 43, 59
(a). Obtain summary statistics for each cluster. (b). Estimate the total number of cases sold along with the standard error of your estimate.
(c). Estimate the average number sold per supermarket, along with the standard error of your estimate.