Which of the Following Statements Is True

question 126

Multiple Choice

Which of the following statements is true?

• A) It is appropriate to compute a correlation coefficient for the relationship between a dummy variable and a dependent variable.
• B) If a qualitative variable has m categories, you should use m - 1 dummy variables to incorporate the qualitative variable into a regression model.
• C) Dummy variables are used to incorporate qualitative variables into a regression model.
• D) All of these.
• E) None of these.

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Definitions:

Depth of Product Line

The range of different items of the same type that a company sells, offering variety to consumers.

Product Classes

Categories or groups of products that serve similar purposes and are perceived by consumers as related or comparable.

Depth of Product Line

Refers to the variety of product options and choices available within a single product category, offering consumers different features, sizes, or other distinguishing characteristics.