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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Definitions:

French Gothic

An architectural style originating in 12th-century France, characterized by pointed arches, ribbed vaults, and flying buttresses.

Hellenistic

The term given to the art and culture of the roughly three centuries between the death of Alexander the Great in 323 BC and the death of Queen Cleopatra in 30 BC, when Egypt became a Roman province.

Stagelike Surface

In art, refers to a composition where the foreground acts as a stage for the subjects, creating a theatrical effect with depth and perspective.

Maestà Altarpiece

A term usually associated with a specific style of Italian painting or sculpture depicting the Virgin Mary enthroned and surrounded by a host of angels and saints.