TABLE 10-18 As Part of an Evaluation Program, a Sporting Goods Retailer

Short Answer

TABLE 10-18
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles. She took three of each brand and determined their maximum downhill speeds. The results are presented in miles per hour in the table below

-Referring to Table 10-18, in testing the null hypothesis that the mean downhill coasting speeds of the four brands of bicycles are equal, the value of the test statistic is ________.