Author Question: A standardized residual is: A) equal to the sum of the residuals divided by n-1. B) the ratio of ... (Read 118 times)

ec501234 · **on:** Jun 24, 2018

A standardized residual is:

A) equal to the sum of the residuals divided by n-1.
B) the ratio of each residual divided by an estimate for the standard deviation of the residuals.
C) a value that is normally distributed with a mean equal to zero and a standard deviation equal to one.
D) None of the above

Question 2

The following data for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling:

x y
10 120
14 130
16 170
12 150
20 200
18 180
16 190
14 150
16 160
18 200

Compute the correlation coefficient.
A) 0.52
B) 0.71
C) 0.62
D) 0.89