Which of the Following Statements Is True

question 18

Multiple Choice

Which of the following statements is true?

• A) If the confidence interval estimate for the regression slope coefficient, based on the sample information, crosses over zero, the true population regression slope coefficient could be zero.
• B) R-square will tend to be smaller than the adjusted R-squared values when insignificant independent variables are included in the model.
• C) The y-intercept will usually be negative in a multiple regression model when the regression slope coefficients are predominately positive.
• D) None of the above

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Definitions:

Neuroticism

A behavioral quality defined by irregular moods, worry, and lack of emotional steadiness.

Conscientiousness

A personality trait characterized by organization, thoroughness, reliability, and a strong sense of duty.

Variance

A statistical measure that represents the spread or dispersion of a set of data points, indicating how much the data vary from the average value.

Big Five

A theory of personality recognizing five broad dimensions that represent the most significant variations in human personality: openness, conscientiousness, extraversion, agreeableness, and neuroticism.