Instruction 11-3
as Part of an Evaluation Program, a Sporting

question 72

Multiple Choice

Instruction 11-3
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles. She recorded three trials of each brand and determined their maximum downhill speeds. The results are presented in kilometres per hour in the table below.
$$\begin{array} { | l | l | l | l | l | } \hline \text { Trial } & \text { Barth } & \text { Tornado } & \text { Reiser } & \text { Shaw } \\\hline 1 & 43 & 37 & 41 & 43 \\\hline 2 & 46 & 38 & 45 & 45 \\\hline 3 & 43 & 39 & 42 & 46 \\\hline\end{array}$$
-Referring to Instruction 11-3,what should be the decision for the Levene's test for homogeneity of variances at a 5% level of significance?

• A) Do not reject the null hypothesis because the p-value is larger than the level of significance.
• B) Do not reject the null hypothesis because the p-value is smaller than the level of significance.
• C) Reject the null hypothesis because the p-value is smaller than the level of significance.
• D) Reject the null hypothesis because the p-value is larger than the level of significance.

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Definitions:

Jelly Beans

A small, bean-shaped sugar candy with soft candy shells and thick gel interiors, available in various flavors.

Sampling Distribution

The likelihood distribution of a metric determined by numerous samples taken from a particular group.

Normal Model

A type of statistical distribution that is symmetric and bell-shaped, describing how data values are dispersed or spread around the mean.

Standard Deviation

A metric that quantifies the degree of spread or variability within a group of figures.