In Regression Analysis,the Residuals Represent The

question 77

Multiple Choice

In regression analysis,the residuals represent the:

• A)difference between the actual y values and their predicted values.
• B)difference between the actual x values and their predicted values.
• C)square root of the slope of the regression line.
• D)change in y per unit change in x.

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Definitions:

Population Estimate

A value derived from a statistical model or sample that approximates the true characteristic of an entire population.

Positive Correlation

Positive correlation indicates that as one variable increases, the other variable tends to increase as well, demonstrating a direct relationship between the two variables.

Direct Correlation

A positive correlation where the values of both variables change in the same direction.

Two-tailed Test

A statistical hypothesis test in which the area of rejection is on both ends of the sampling distribution, allowing for the investigation of deviations in two opposite directions.