If a Regression Model with K Independent Variables Has a C

question 57

Multiple Choice

If a regression model with k independent variables has a C statistic less than ________, then the model is considered to be desirable.

• A) k + 1
• B) k
• C) k − 1
• D) 1/k
• E) k − 2

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Definitions:

Nominal Data

Data categorized into discrete groups or categories that cannot be ranked or ordered.

Z-test

A technique in statistics for determining the distinction between the means of two large-sample populations with specified variances.

Chi-squared Test

A rephrased definition: A statistical test that measures the discrepancy between observed results and the results expected under a specific hypothesis, often used to assess goodness of fit or independence in categorical variables.

Chi-squared Method

A statistical test used to determine the level of significance of the observed association between categorical variables.