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T intervals (Confidence Intervals when the Population Standard Deviation is Unknown)
This sub-module will build on what you learn in z-intervals. The most important point of this lesson is showing how to make confidence intervals when the population standard deviation is unknown.
Materials to Help You Learn the Material:
Video for Introduction of Confidence Intervals - No Population Standard Deviation
Video for Example 1 for T-interval with Sample Data
Video for Example 2 for T-interval with Sample Statistics
Video for Flow Chart for One Mean T-interval
Video for Practice Problem 1 for T-interval with Sample Statistics
Video for Practice Problem 2 for T-interval with Sample Data
Video for One Mean T-interval with Excel
PowerPoint for One Mean T-interval
Flow Chart for One Mean T-interval
PowerPoint for Confidence Interval (T-intervals) for Excel
Video
Title
Introduction of Confidence Intervals - No Population Standard Deviation
Example 1 for T-interval with Sample Data
Example 2 for T-interval with Sample Statistics
Flow Chart for One Mean T-interval
Practice Problem 1 for T-interval with Sample Statistics
Practice Problem 2 for T-interval with Sample Data
