A company is considering purchasing wine glasses from 1 of 4
possible manufacturers (identified as Manufacturer A, Manufacturer
B, Manufacturer C, and Manufacturer D). The cost of the wine
glasses is the same for each manufacturer, so the company is
conducting a test to determine if there is a difference in the
average life of glasses produced by the manufacturers. Four (4)
glasses are randomly sampled from each manufacturer and the glasses
are tested until they break. A partially completed...