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

question 189

Short Answer

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 is the critical value of Levene's test for homogeneity of variances at a 5% level of significance?

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Definitions:

Sea Levels

The average height of the ocean's surface between the high and low tide, used as a standard in measuring land elevation and ocean depth.

Global Warming

The long-term rise in Earth’s average temperature, largely attributed to human activities, especially the emission of greenhouse gases.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants in photosynthesis.

Sea Levels

The average height of the ocean's surface between high and low tide, used as a standard in measuring land elevation and ocean depths.