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

question 68

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 is the critical value of Levene's test for homogeneity of variances at a 5% level of significance?

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Definitions:

Brain Messages

Refer to the signals transmitted by neurons throughout the brain and nervous system, enabling thought, movement, and sensory processing.

Facial Feedback Hypothesis

The Facial Feedback Hypothesis suggests that facial movements can influence emotional experiences, implying that smiling can make one feel happier, while frowning can lead to sadness.

Smiling

A facial expression denoting pleasure, favor, or amusement, but can also be a voluntary or involuntary response to social interactions.

Mood

A temporary state of mind or feeling that can vary from happiness to sadness, which affects a person's emotional state but is less intense than emotions.