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MATH 1401: Elementary Statistics (Minitab and Excel)

Videos

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
One Mean T-interval Using Excel
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