Categorical Variables Are Included in Regression Analysis by ________

question 80

Multiple Choice

Categorical variables are included in regression analysis by ________.

• A)removing the error term from the equation
• B)applying the principle of parsimony
• C)using dummy variables
• D)using an intercept term

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Definitions:

One-Tailed Test

A statistical test that determines the probability of the observed data under the assumption that one end of the probability distribution is scrutinized.

Two-Tailed Test

A statistical hypothesis test in which the critical area of a distribution is two-sided and tests whether a sample is either greater than or less than a certain range of values.

Null Hypothesis

A statement suggesting that no statistical significance exists in a set of observations.

Alternative Hypothesis

A statement that contradicts the null hypothesis and indicates that there is an effect or a difference.