Which of the following appears as a pattern in which positive residuals tend to be followed by other positive ones, and negative residuals by more negative ones?
a. outliers
b. Skewness
c. Heteroscedasticity
d. Autocorrelation
Question 2
What does heteroscedasticity mean?
a. constant variance
b. unequal residuals
c. nonconstant variance
d. multiple outliers