Author Question: In simple linear regression, the plot of residuals versus fitted values y should: a. be free of any ... (Read 88 times)

Themember4 · **on:** Jul 24, 2018

In simple linear regression, the plot of residuals versus fitted values y should:
a. be free of any patterns
b. appear as a random scatter of points about 0 on the vertical axis
c. approximately have the same vertical spread for all values y
d. all of these
e. none of these

Question 2

In simple linear regression, the plot of residuals versus fitted values 3 can be used to check for:
a. normality
b. a constant variance independent of x
c. independence
d. all of these
e. none of these