TABLE 12-18
as Part of an Evaluation Program, a Sporting

question 82

Short Answer

TABLE 12-18
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.
$$\begin{array} { l l l l l } \underline{\text { Trial }} & \underline{\text { Barth }} & \underline{\text { Tornado} } &\underline{ \text { Reiser }} &\underline{ \text { Shaw} } \\1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$$
-Referring to Table 12-18, to use the chi-square critical value for the Kruskal-Wallis test, the sample size in each group has to be greater than ______.

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Definitions:

Book Value

The net value of a company’s assets as recorded on the balance sheet, calculated as total assets minus liabilities and intangible assets.

Opportunity Cost

The potential benefit that is given up when one alternative is selected over another.

Variable Costs

Costs that vary directly with the level of production or sales volume, such as materials and labor.

Eliminate

To completely remove or get rid of something.