Which of the Following Is Not an Assumption of the Multiple

question 2

Multiple Choice

Which of the following is not an assumption of the multiple linear regression model?

• A) The error terms are independent.
• B) The population of error terms has a normal distribution.
• C) Populations of error terms observed at different combinations of values of the independent variable (x₁, x₂,. . ., x_k) have equal variances.
• D) The level of measurement of the data for the dependent variable is at least ordinal.
• E) At any combination of values of x₁, x₂, . . . , x_k, the population of potential error term values has a mean equal to zero.