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# MATH 1401: Elementary Statistics (Minitab and Excel)

## Confidence Intervals (Z-interval) with Population Standard Deviation

Confidence Intervals (Z-interval) with Population Standard Deviation

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.

## Videos

Video Title
Confidence Intervals Introduction
Example of Confidence Interval
Confidence Interval with Population Standard Deviation
Alpha, Confidence Intervals, and Two Tails
Example 1 for Zinterval with Sample Statistics
Example 2 for Zinterval with Sample Data
Sample Sizes with Population Standard Deviation
Flow Chart for One Mean Zinterval
Practice Problem 1 for Zinterval with Sample Statistics
Practice Problem 2 for Zinterval with Sample Data
Practice Problem 3 for Sample Size and Population Standard Deviation
One mean Zinterval with Excel