Author Question: Which of the following statements is true in simple linear regression? A) The standard error of ... (Read 123 times)

mynx · **on:** Jun 24, 2018

Which of the following statements is true in simple linear regression?

A) The standard error of the estimate is equal to the standard error of the slope.
B) The total degrees of freedom are (n-2).
C) The coefficient of determination is equal to the correlation of x and y.
D) The p-value of the F test will equal the p-value of the t-test of the slope.

Question 2

When discussing variation in the output of a process, which of the following is not true?

A) Variation is natural.
B) No two products or services are exactly the same.
C) With a fine enough measurement gauge, all things can be seen to differ.
D) Common cause variation can be eliminated.