TABLE 12-16 As Part of an Evaluation Program, a Sporting Goods Retailer

question 141

Short Answer

TABLE 12-16
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 12-16, the decision rule for a level of significance of 0.05 using the Kruskal-Wallis test is to reject the null hypothesis if the test statistic H is ________ assuming that the sample sizes are large enough to use a chi-square approximation.

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Definitions:

Real GDP Per Person

Real GDP per person measures the value of all finished goods and services produced within a country in a specific period, adjusted for inflation, per capita.

Savings Rate

The proportion of disposable income that is saved by households rather than spent, often expressed as a percentage.

Net Exports

The value of a country's total exports minus its total imports, a critical component of a nation's gross domestic product (GDP).

Saving

The act of setting aside a portion of current income for future use, typically by depositing money in savings accounts or investing in securities.