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

question 148

Short Answer

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,in testing the null hypothesis that the average downhill coasting speeds of the four brands of bicycles are equal,the value of the test statistic is ________.

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Definitions:

Mnemonic

A device or technique used to aid memory, often through association of familiar concepts or a sequence of ideas.

Equipotentiality Hypothesis

The idea that any part of a certain brain area can carry out the functions of any other part of that area.

Hippocampus

A major component of the brain involved in memory formation and spatial navigation, located in the medial temporal lobe.

Memory Function

The processes involved in encoding, storing, and retrieving information.