Author Question: For a linear regression calculated for a sample of n = 20 pairs of X and Y values, what is the value ... (Read 160 times)

a0266361136 · **on:** Jun 20, 2018

For a linear regression calculated for a sample of n = 20 pairs of X and Y values, what is the value for degrees of freedom for the unpredicted portion of the Y-score variance, MSresidual?

A) 1
B) 2
C) 18
D) 19

Question 2

Decreasing the alpha level from = .05 to = .01 ____.

A) increases the probability of a Type I error
B) increases the size of the critical region
C) increases the probability that the sample will fall into the critical region
D) decreases the probability of a Type I error