Author Question: In a residual plot that does not suggest we should challenge the assumptions of our regression ... (Read 116 times)

ericka1 · **on:** Jun 24, 2018

In a residual plot that does not suggest we should challenge the assumptions of our regression model, we would expect to see a _____.
a. horizontal band of points centered near 0
b. widening band of points
c. band of points having a slope consistent with that of the regression equation
d. parabolic band of points

Question 2

For all waiting lines, P0 + Pw = 1.
Indicate whether the statement is true or false