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

question 26

Multiple Choice

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.
Trial Barth Tornado Reiser Shaw
1 43 37 41 43
2 46 38 45 45
3 43 39 42 46
-Referring to Table 11-3, what should be the conclusion for the Levene's test for homogeneity of variances at a 5% level of significance?

• A) There is insufficient evidence that the variances are all the same.
• B) There is sufficient evidence that the variances are all the same.
• C) There is insufficient evidence that the variances are not all the same.
• D) There is sufficient evidence that the variances are not all the same.

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