Suppose a Package Delivery Company Purchased 14 Trucks at the Same

question 75

Multiple Choice

Suppose a package delivery company purchased 14 trucks at the same time. Five trucks were purchased from manufacturer A,four from manufacturer B,and five from manufacturer C. The cost of maintaining each truck was recorded. The company used ANOVA to test if the mean maintenance costs of the trucks from each manufacturer were equal. To apply the F-test,how many degrees of freedom must be in the denominator?

• A)2
• B)3
• C)11
• D)14

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Definitions:

Morbidly Obese

Morbid obesity is a condition characterized by an individual having a Body Mass Index (BMI) of 40 or higher, which significantly increases the risk of various health issues.

BMI

Body Mass Index, a measure of body fat based on height and weight that applies to adult men and women.

Weight Loss

The reduction of total body mass through diet, exercise, or medical treatment.

African American

An ethnic group in the United States consisting of individuals with total or partial ancestry from any of the Black racial groups of Africa.