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

question 284

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, what should be the conclusion for the Levene's test for homogeneity of variances at a 5% level of significance?

• A)There is insufficient evidence that the variances are all the same.
• B)There is sufficient evidence that the variances are all the same.
• C)There is insufficient evidence that the variances are not all the same.
• D)There is sufficient evidence that the variances are not all the same.

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Definitions:

Self-efficacy

is the belief in one's own ability to succeed in specific situations or accomplish a task, significantly influencing how one approaches goals, tasks, and challenges.

Task Performance

The execution or accomplishment of a specific work-related activity or objective, often measured against pre-established standards or criteria.

Verbal Persuasion

The use of oral communication skills to convince or influence others to a particular point of view or action.

Self-efficacy

An individual's belief in their own capacity to execute behaviors necessary to produce specific performance attainments.