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

question 64

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 decision made implies that all four means are significantly different.

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Definitions:

Apical Pulse

The heartbeat as heard with a stethoscope placed on the chest wall at the apex of the heart.

Carotid Bruits

Abnormal sounds heard over the carotid arteries typically due to turbulent blood flow indicating arterial narrowing or disease.

Jugular Veins

Veins located on both sides of the neck that return blood from the head to the heart.

Palpation

The technique of examining parts of the body by touching and feeling, used by healthcare professionals to diagnose diseases or conditions.