SCENARIO 10-3
as Part of an Evaluation Program, a Sporting

question 188

Multiple Choice

SCENARIO 10-3
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. $\begin{array}{lllll}\text { Trial}&\text { Barth}&\text { Tornado }&\text {Reiser}&\text { Shaw }\\1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$
-Referring to SCENARIO 10-3, the null hypothesis for Levene's test for homogeneity of variances is

• A)\(H _ { 0 } : \mu _ { A } = \mu _ { B } = \mu _ { C } = \mu _ { D }\)
• B)\(H _ { 0 } : M _ { A } = M _ { B } = M _ { C } = M _ { D }\)
• C)\(H _ { 0 } : \sigma _ { A } ^ { 2 } = \sigma _ { B } ^ { 2 } = \sigma _ { C } ^ { 2 } = \sigma _ { D } ^ { 2 }\)
• D)\(H _ { 0 } : \pi _ { A } = \pi _ { B } = \pi _ { C } = \pi _ { D }\)

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Definitions:

Cognitive Dissonance

A psychological phenomenon involving discomfort felt by an individual when they hold conflicting beliefs, ideas, or values at the same time.

Nutrition Expert

A professional who specializes in the study and practice of nutrition, including dietary choices and their impact on health.

Dissonance Resolution

The process of reducing conflict between one's actions and beliefs by altering either the actions, beliefs, or both.

Dissonance Reduction

The process of alleviating or eliminating cognitive dissonance, which occurs when an individual experiences conflict between beliefs, behaviors, or attitudes.