TABLE 12-16 As Part of an Evaluation Program, a Sporting Goods Retailer

question 141

Short Answer

TABLE 12-16
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 Table 12-16, the decision rule for a level of significance of 0.05 using the Kruskal-Wallis test is to reject the null hypothesis if the test statistic H is ________ assuming that the sample sizes are large enough to use a chi-square approximation.