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

question 27

Multiple Choice

SCENARIO 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.

-Referring to Scenario 11-3,what should be the conclusion for the Levene's test for homogeneity of variances at a 5% level of significance?

• A)There is insufficient evidence that the variances are all the same.
• B)There is sufficient evidence that the variances are all the same.
• C)There is insufficient evidence that the variances are not all the same.
• D)There is sufficient evidence that the variances are not all the same.

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Definitions:

Kcal Expenditure

The amount of calories burned by the body through various activities, including basic metabolic rate and physical activity.

Kilocalories

A unit of energy measurement in nutrition, equivalent to 1000 calories, commonly used to quantify the energy value of food.

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen that are a major source of energy in the diet.

Essential Amino Acids

A group of amino acids that the human body cannot synthesize on its own and must be obtained through diet; crucial for various bodily functions.