TABLE 12-19 As Part of an Evaluation Program, a Sporting Goods Retailer

question 165

Short Answer

TABLE 12-19
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

-Referring to Table 12-19, the calculation of the Kruskal-Wallis test statistic H involves obtaining the total of the ranks for each sample. These totals are ________, ________, ________, and ________.

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Definitions:

Dependent Samples

Pairs or groups of observations in a study that are related or matched in some way.

Normal Curve

Curve resulting from the plot of values with a normal distribution. It is often called a bell curve because of its shape.

Normal Curve

A bell-shaped curve that represents the distribution of scores or variables where most measurements are concentrated around the mean in a symmetric way.

Normal Distribution

Symmetrical distribution of values with the majority of scores “peaking” in the middle.