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Unit: More on regression

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Possible mastery points

Inference about slope

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Learn

Introduction to inference about slope in linear regression

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Conditions for inference on slope

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Confidence interval for the slope of a regression line

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Calculating t statistic for slope of regression line

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Using a P-value to make conclusions in a test about slope

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Using a confidence interval to test slope

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Practice

Confidence interval for slopeGet 3 of 4 questions to level up!

Test statistic for slopeGet 3 of 4 questions to level up!

Making conclusions about slopeGet 3 of 4 questions to level up!

Quiz

Level up on the above skills and collect up to 300 Mastery points

Transformations to achieve linearity

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Learn

Transforming nonlinear data

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Worked example of linear regression using transformed data

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Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 300 Mastery points!

About this unit

Learn how to perform inference on slope in least-squares regression. We'll make confidence intervals and do significance tests to see if a linear relationship in a sample suggests a relationship exists in the corresponding population.

AP® is a registered trademark of the College Board, which has not reviewed this resource.