Your answers : 9/10 (90%)Submitted on Apr 18, 2016, 8:10 PM * Correct answerquestion1
The standard error of the estimate measures: *

the variability of the explanatory variables. *

the variability of the predicted y-values around the mean of the observed y-values. *

the variability of the values of the sample regression coefficients. *

the variability of the observed y-values around the predicted y-values. * Correct answerquestion2
What is the name of the variable that's used to predict another variable? *

Standard Error of the Estimate *

Response *

Coefficient of Determination *

Explanatory * Correct answerquestion3
Another name for an explanatory variable is the ___. *

dependent variable *

descriptive variable *

independent variable *

inferred variable * Correct answerquestion4
For a given set of explanatory variables, in general: *

The width of a confidence interval cannot be determined. *

the width of a confidence interval is the same as the width of a prediction interval. *

a confidence interval is narrower than a prediction interval. *

a confidence interval is wider than a prediction interval. * Correct answerquestion5
In a simple linear regression model, if the plots on a scatter diagram lie on a straight line, what is the standard error of the estimate? *

+1 *

0 *

Infinity *

-1 * Incorrect answerquestion6
Which of the following violates the assumptions of regression analysis? *

The error term is correlated with an explanatory variable. *

The error term has a constant variance. *

The error term is normally distributed. *

The error term has a