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

question 48

True/False

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,based on the Tukey-Kramer procedure with an overall level of significance of 0.05,the retailer would decide that the mean speed for the Tornado brand is significantly different from each of the mean speeds for other brands.

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Repairs

Activities or processes aimed at restoring a damaged, broken, or malfunctioning object to its original or operating condition.

Risk-Averse

Risk-averse describes individuals or entities that prefer to avoid risk and would rather choose a certain outcome over a gamble with potentially higher, but uncertain, rewards.

Expected Value

The anticipated value for an investment or probability-weighted average of all possible values in a probabilistic scenario.

Total Wealth

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