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

question 30

Short Answer

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

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Definitions:

Psychological Disorder

A pattern of behavioral or psychological symptoms that impact multiple life areas and/or cause significant distress for the person experiencing them.

DSM-IV

The fourth version of the Diagnostic and Statistical Manual of Mental Disorders serves as a reference for identifying mental health conditions.

Axis V

Axis V refers to the Global Assessment of Functioning scale, historically used in psychiatric diagnoses to rate an individual's overall psychological, social, and occupational functioning.

Axis I

A classification in earlier versions of the Diagnostic and Statistical Manual of Mental Disorders (DSM) that includes clinical disorders and other conditions that may be a focus of clinical attention.