Which of the Following Is Not a Required Condition for the Error

question 166

Multiple Choice

Which of the following is not a required condition for the error variable $$\varepsilon$$ in the simple linear regression model?

• A) The probability distribution of \[\varepsilon\] is normal.
• B) The mean of the probability distribution of \[\varepsilon\] is zero.
• C) The standard deviation \[\sigma _ { \varepsilon }\] of \[\varepsilon\] is a constant, no matter what the value of x.
• D) The values of \[\varepsilon\] are auto correlated.

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