Which of the following is not an assumption of the multiple linear regression model? A)Independent error terms. B)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.

Question

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The level of measurement of the data for the dependent variable could be nominal, ordinal, interval, or ratio. The other assumptions listed (A, B, C, E) are all necessary assumptions for multiple linear regression.

Which of the Following Is Not an Assumption of the Multiple