Multiple Choice
In linear regression, a dummy variable is used:
A) to represent residual variables
B) to represent missing data in each sample
C) to include hypothetical data in the regression equation
D) to include categorical variables in the regression equation
E) when "dumb" responses are included in the data
Correct Answer:
Verified
Correct Answer:
Verified
Q12: In regression analysis, the variables used to
Q13: In simple linear regression, the divisor of
Q14: A regression analysis between sales (in $1000)
Q15: Outliers are observations that<br>A)lie outside the sample.<br>B)render
Q15: Approximately what percentage of the observed Y
Q18: A correlation value of zero indicates.<br>A) a
Q19: The station manager of a local television
Q36: In a simple regression with a single
Q68: The adjusted R<sup>2</sup> adjusts R<sup>2</sup> for<br>A)non-linearity.<br>B)outliers.<br>C)low correlation.<br>D)the
Q77: To help explain or predict the response