Determine When a Linear Model Is Appropriate for Data

Multiple Choice

Determine when a linear model is appropriate for data.
-A linear regression model was estimated to describe the trend in world population over
Time. Below is the plot of residuals versus predicted values. What does the plot of
Residuals suggest?

A) An outlier is present in the data set.
B) The linearity condition is not satisfied.
C) A high leverage point is present in the data set.
D) The data are not normal.
E) The equal spread condition is not satisfied.