TABLE 11-3 As Part of an Evaluation Program, a Sporting Goods Retailer

question 138

Short Answer

TABLE 11-3
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.
Trial Barth Tornado Reiser Shaw
1 43 37 41 43
2 46 38 45 45
3 43 39 42 46
-Referring to Table 11-3, the null hypothesis that the mean downhill coasting speeds of the 4 brands of bicycles are equal will be rejected at a level of significance of 0.05 if the value of the test statistic is greater than ________.

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Definitions:

Decimal Place

A position of a number to the right of the decimal point, indicating fractions of a base unit.

Percentages

A mathematical concept that represents a number or ratio as a fraction of 100.

Horizontal Analysis

A method of financial analysis in which figures in financial statements are compared across several periods to identify trends or changes over time.

Dollar Changes

Refers to the difference in value or cost in U.S. dollars of an item, investment, or project over time.