If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit: More on regression

AP Stats: DAT (BI), DAT‑1 (EU), DAT‑3 (EU), UNC (BI), UNC‑4 (EU), VAR (BI), VAR‑1 (EU)

0

Possible mastery points

Inference about slope

AP Stats: DAT (BI), DAT‑3 (EU), DAT‑3.M (LO), DAT‑3.M.1 (EK), DAT‑3.N (LO), DAT‑3.N.1 (EK), UNC (BI), UNC‑4 (EU), UNC‑4.AC (LO), UNC‑4.AC.3 (LO), UNC‑4.AD (LO), UNC‑4.AD.1 (LO), UNC‑4.AF (LO), UNC‑4.AF.1 (LO), UNC‑4.AF.2 (LO), UNC‑4.AH (LO), UNC‑4.AH.1 (LO), VAR (BI), VAR‑1 (EU), VAR‑1.K (LO), VAR‑1.K.1 (EK)
Learn
Introduction to inference about slope in linear regression
(Opens a modal)
Conditions for inference on slope
(Opens a modal)
Confidence interval for the slope of a regression line
(Opens a modal)
Calculating t statistic for slope of regression line
(Opens a modal)
Using a P-value to make conclusions in a test about slope
(Opens a modal)
Using a confidence interval to test slope
(Opens a modal)
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

AP Stats: DAT (BI), DAT‑1 (EU), DAT‑1.J (LO), DAT‑1.J.1 (EK)
Learn
Transforming nonlinear data
(Opens a modal)
Worked example of linear regression using transformed data
(Opens a modal)
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.