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

question 163

True/False

TABLE 11-6
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of 4 brands of bicycles. She took 3 of each brand and determined their maximum downhill speeds. The results are presented in miles per hour in the table below.
$$\begin{array} { c c c c c } \hline \text { Trial } & \text { Barth } & \text { Tornado } & \text { Reiser } & \text { Shaw } \\\hline 1 & 43 & 37 & 41 & 43 \\2 & 46 & 38 & 45 & 45 \\3 & 43 & 39 & 42 & 46\end{array}$$
-Referring to Table 11-6, based on the Tukey-Kramer procedure with an overall level of significance of 0.05, the retailer would decide that there is no significant difference between any pair of mean speeds.

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Definitions:

ECG

Electrocardiogram, a test that measures the electrical activity of the heart to detect heart problems and monitor heart health.

Color Code

A system of organizing and identifying items using different colors for ease of recognition.

Electrode

A conductor through which electricity enters or leaves an object, substance, or region, used in various applications like batteries or medical devices.

ECG

An ECG, or Electrocardiogram, is a medical test that measures the electrical activity of the heart to identify abnormalities in heart rhythm and structure.