Chapter 18 Comparing Two Groups


Interactive Example: Confidence Interval for the Difference in Means

Note: The table values (means and variances) are randomly generated. They are useful for working through an exercise like this. However, they have little to no basis in reality.

Click Show Another to generate another example.



Interactive Example: Hypothesis Test for the Difference in Means

Click Show Another to generate another example.



Interactive Example: Confidence Interval for the Difference in Proportions

Click Show Another to generate another example.



Interactive Example: Hypothesis Test for the Difference in Proportions

Click Show Another to generate another example.