Question: The new candy Green Globules is being test-marketed in an area of upstate New York The market research firm decides to sample 6 of the 45 cities in the area and then to sample supermarkets within those cities, wanting to know the number of cases of Green Globules sold.
City Number of Supermarkets Number of Cases Sold
1 52 146, 180, 251, 152, 72, 181, 171, 361, 73, 186
2 19 99, 101, 52, 121
3 37 199, 179, 98, 63, 126, 87, 62
4 39 226, 129, 57, 46, 86, 43, 85, 165
5 8 12, 23
6 14 87, 43, 59
Use any statistical package to obtain summary statistics for each cluster. Plot the data, and estimate the total number of cases sold and the average number sold per supermarket, along with the standard errors of your estimates.