TABLE 11-6
as Part of an Evaluation Program, a Sporting

question 29

Short Answer

TABLE 11-6
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.
$$\begin{array} { c c c c c } \hline \text { Trial } & \text { Barth } & \text { Tornado } & \text { Reiser } & \text { Shaw } \\\hline 1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$$
-Referring to Table 11-6, what is the value of the test statistic for Levene's test for homogeneity of variances?

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Definitions:

General Form

Typically refers to the standardized or most commonly used version of an equation, document, or procedure.

Variables

Features or characteristics that can vary among individuals or over time and that researchers measure, manipulate, or control in a study.

Pearson Product-moment

A correlation coefficient indicating the degree of linear relationship between two variables.

Curvilinear Relationships

A relationship in a statistical model where the change in the outcome variable does not follow a straight line, but rather a curve, as the value of the predictor variable changes.