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

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,to use the chi-square critical value for the Kruskal-Wallis test,the sample size in each group has to be greater than ________.