Which of the Following Are True Assumptions Underlying Linear Regression

question 31

Multiple Choice

Which of the following are true assumptions underlying linear regression? 1) For each value of X, there is a group of Y values which is normally distributed. 2) The means of these normal distributions of Y values all lie on the regression line. 3) The standard deviations of these normal distributions are equal.

• A) Only (1)
• B) Only (2)
• C) Only (3)
• D) All of them

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A lighting display made of glass tubes that have been filled with neon or other gases and glow when electrified.

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