Which of the Following Is Not One of the Assumptions

question 35

Multiple Choice

Which of the following is not one of the assumptions of regression?

• A) There is a population regression line
• B) The response variable is normally distributed
• C) The standard deviation of the response variable increases as the explanatory variables increase
• D) The errors are probabilistically independent

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Definitions:

Positively Correlated

A relationship between two variables where both either increase or decrease together.

Negatively Correlated

A statistical relationship between two variables in which one variable increases as the other decreases.

Positively Skewed

Describes a distribution of data where the tail is longer on the right side, indicating a larger number of observations are below the mean.

Negatively Skewed

Describes a distribution of data where the tail is on the left side of the distribution, indicating that the majority of data points are located to the right of the mean.