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

question 1

True/False

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,the null hypothesis should be rejected at a 5% level of significance.

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Definitions:

Gas Exchange

The biological process by which organisms exchange oxygen and carbon dioxide with their environment, critical for respiration.

Stomata

Tiny openings on the surfaces of leaves and stems that allow for gas exchange.

Humid Areas

Regions characterized by a high level of moisture in the air, often leading to a moist climate.

Adaptive

Characterized by or pertaining to adjustments or changes in behavior, physiology, or structure in response to changes in the environment, enhancing survival and reproductive success.