TABLE 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.
-True or False: Referring to Table 11-3,the test is robust to the violation of the assumption that the population of speeds is normally distributed.

Question

TABLE 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. 
-True or False: Referring to Table 11-3,the test is robust to the violation of the assumption that the population of speeds is normally distributed.

Quizplus · Accepted Answer

The test is robust to violations of normality if the sample size is large enough, due to the Central Limit Theorem.

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