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

question 136

Multiple Choice

Instruction 11-6
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.
$\begin{array}{lcccc}\text { Trial } & \frac{\text { Barth }}{} & \frac{\text { Tomado }}{} & \frac{\text { Reiser }}{} & \frac{\text { Shaw }}{} \\1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$
-Referring to Instruction 11-6,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:

Photoautotrophs

Organisms that carry out photosynthesis to synthesize nutrients from carbon dioxide and water using sunlight as an energy source.

Chemoheterotrophs

Organisms that obtain their energy by consuming organic molecules created by other organisms.

Vector

In biology, an organism that transmits a disease or parasite from one animal or plant to another. In mathematics and physics, it represents a quantity having both magnitude and direction.

Pilus

A thin, hair-like structure on the surface of some bacteria that is involved in adherence to surfaces or in the transfer of genetic material.