69.) What information is contained in the numerator for the F-ratio of an analys
ID: 3238095 • Letter: 6
Question
69.) What information is contained in the numerator for the F-ratio of an analysis of regression?
a. the variance predicted by the regression equation
b. MSregression
c. the variance expected if there were no relationship between X and Y
d. both answers a and b
70.) What is the difference between the two variables Y and ?
a. are obtained values, Y are predicted values
b. are predicted values, Y are obtained values
c. are manipulated values, Y are measured values
d. are measured values, Y are manipulated values
71.) With respect to correlation and regression:
a. there is no relationship between these two statistical procedures
b. while correlations are used to determine relationships between variables, regression equations are used to predict the value of one variable based on its relationship with the other
c. the stronger the correlation, the greater the accuracy of your regression equation (and vice versa)
d. both answers b and c
72.) For values predicted using a linear regression equation, as the standard error of the estimate increases:
a. the accuracy of your predictions will also increase
b. the accuracy of your predictions will instead decrease
c. the accuracy of your predictions will remain the same
d. the accuracy of your predictions will increase and then decrease
Explanation / Answer
69.) What information is contained in the numerator for the F-ratio of an analysis of regression?
b. MSregression
70.) What is the difference between the two variables Y and ?
b. are predicted values, Y are obtained values
71.) With respect to correlation and regression:
d. both answers b and c
72.) For values predicted using a linear regression equation, as the standard error of the estimate increases:
b. the accuracy of your predictions will instead decrease
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