Which of the Following Are True Assumptions Underlying Linear Regression

question 66

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 that 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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Definitions:

Glycogen

A multi-branched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.

Liver

A vital organ in vertebrates responsible for detoxification, protein synthesis, and production of biochemicals necessary for digestion.

Muscles

Tissues in the body that have the ability to contract, allowing movement of parts of the body.

Glycogen

A polysaccharide that serves as the primary form of energy storage in animals and fungi.