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

question 137

Short Answer

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 are the numerator and denominator degrees of freedom for Levene's test for homogeneity of variances respectively?

---

Definitions:

Eardrum

A thin, cone-shaped membrane that separates the external ear from the middle ear, and vibrates in response to sound waves.

Taste Preferences

Individual differences in liking or disliking certain flavors and foods.

Innate

Inborn or natural characteristics, qualities, or abilities not acquired through learning or experience.

Genetic Evidence

Information obtained from DNA analysis that supports or refutes genetic relationships, inheritance patterns, or the presence of specific genes.