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

question 41

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 sporting goods retailer decided to perform a Kruskal-Wallis test even though the sample size in each of the 4 groups is not larger than 5. The null hypothesis of the test is ________.

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Definitions:

Decimal

Numbers that are expressed as a fraction of a part using 10 as its base number; it also refers to the period used to separate a whole number from a fraction, as in 10.2, otherwise read as “ten and two-tenths.”

Fraction

A numerical quantity that is not a whole number, representing a part of a whole.

Base Number

A mathematical value serving as a foundational digit in a numbering system, determining its counting process, such as 2 in binary or 10 in decimal.

Dosages

The prescribed amount and frequency of medication intake or drug administration.