Which of These Statements Is Best

question 30

Multiple Choice

Which of these statements is best?

• A)The regression model assumes the error terms are dependent.
• B)The regression model assumes the errors are normally distributed.
• C)The errors in a regression model are assumed to have an increasing mean.
• D)The errors in a regression model are assumed to have zero variance.

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Definitions:

Independent Variable

In an experiment, a factor or condition that is deliberately manipulated to determine whether it causes any change in another behavior or condition.

Coefficient of Correlation

A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Independent Variable

The factor in an experiment that is deliberately manipulated to observe its effect on a dependent variable.

Aerobic Work-Out

Exercise that involves or improves oxygen consumption by the body, promoting cardiovascular health.