Author Question: Correlation analysis is used to determine the: a. strength of the relationship between x and y. b. ... (Read 75 times)

tingc95 · **on:** Jun 24, 2018

Correlation analysis is used to determine the:
a. strength of the relationship between x and y.
b. least squares estimates of the regression parameters.
c. predicted value of y for a given value of x.
d. coefficient of determination.

Question 2

The number of degrees of freedom associated with the standard error of estimate is
a. n-1 since only the slope is estimated from sample data.
b. n-1 since only the intercept is estimated from sample data.
c. n-1 since only the predicted value of y is estimated from sample data.
d. n-2 since the slope and the intercept are estimated from sample data.