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Adjusted r-squared will typically be: A. greater than r-squared B. less than r-squared C. about the same as r-squared D. a negative value Reviewing a
Adjusted r-squared will typically be: A. greater than r-squared B. less than r-squared C. about the same as r-squared D. a negative value Reviewing a table of t-test results for slopes of independent variables, you notice that the P-value for x1 is greater than 5%. You can validly conclude: A. x1 is not significantly related to y B. x1 must be collinear with one or more of the other x variables C. x1 contributes no additional explanatory power to the model, but may be significantly related to y D. all of the above The residual plot for multiple regression indicates the model meets required assumptions if: A. the residuals are randomly distributed B. the residuals do not show a clear pattern C. the residuals do not show drift, that is, the tendency to increase or decrease systematically D. all of the above
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