SCENARIO 11-3 As Part of an Evaluation Program,a Sporting Goods Retailer Wanted

Short Answer

SCENARIO 11-3
As part of an evaluation program,a sporting goods retailer wanted to compare the downhill coasting speeds of 4 brands of bicycles.She took 3 of each brand and determined their maximum downhill speeds.The results are presented in miles per hour in the table below.

-Referring to Scenario 11-3,in testing the null hypothesis that the mean downhill coasting speeds of the 4 brands of bicycles are equal,the value of the test statistic is .