Front

What is a residual in statistics?

Back

A residual is the difference between the observed value and the predicted value from a regression model.

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CCSS.HSS.ID.B.6B

Front

How do you calculate a residual?

Back

Residual = Observed Value - Predicted Value.

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CCSS.HSS.ID.B.6B

Front

What does a positive residual indicate?

Back

A positive residual indicates that the observed value is above the predicted value.

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CCSS.HSS.ID.B.6B

Front

What does a negative residual indicate?

Back

A negative residual indicates that the observed value is below the predicted value.

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CCSS.HSS.ID.B.6B

Front

If the predicted value for a book with 17 chapters is 170 pages, what is the residual if the actual pages are also 170?

Back

0 pages.

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CCSS.8.EE.C.8C

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What is the significance of a residual of 0?

Back

A residual of 0 means the observed value matches the predicted value exactly.

Tags

CCSS.HSS.ID.B.6B

Front

What does it mean if a residual is a negative number?

Back

It means the observed value is less than the predicted value.

Tags

CCSS.HSS.ID.B.6B

Front

In the context of a scatter plot, what does the line of best fit represent?

Back

The line of best fit represents the predicted values based on the relationship between the variables.

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CCSS.8.SP.A.2

Front

Back

This formula predicts the value of y based on the value of x.

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CCSS.8.EE.B.5

Front

If the line of best fit predicts 26 pages for 3 chapters, what is the residual if the actual pages are 30?

Back

4 pages.

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CCSS.8.EE.C.8C