Inference about slope

We'll make confidence intervals to estimate slope based on sample data. We'll also do significance tests about slope to see if a sample slope is significantly different than 0.

Introduction to inference about slope in linear regression

Conditions for inference on slope

Confidence interval for the slope of a regression line

Confidence interval for slope

Calculating t statistic for slope of regression line

Test statistic for slope

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

Using a confidence interval to test slope

Making conclusions about slope