Which Statement Is Not One of the Assumptions Made About

Multiple Choice

Which statement is not one of the assumptions made about a simple linear regression model for a population?

A) The variance of Y is the same for every value of x.
B) The distribution of Y follows a normal distribution at every value of x.
C) The average (or mean) of Y changes linearly with x.
D) The deviations (or residuals) follow a normal distribution with mean .