MATH 2200: Elementary Statistics

Confidence Intervals
(Z-interval)

This sub-module will introduce you to confidence intervals.The most important point of this lesson is showing how to make confidence intervals when the population standard deviation is known.

These power points go with the videos below:

Now, it is your turn to practice. Here are a few practice problems to help learn the concepts. 

Just click on the link to get started:
Module Three Practice Problems: Z-Intervals