Confidence Intervals for a Population Mean

This course introduces confidence intervals for a single population mean using z (known sigma) and t (unknown sigma) methods. It covers interpretation, margin of error, sample-size determination, assumptions, and normality.

Syllabus

Introduction to Confidence Intervals.
Deriving a Confidence Interval for the Mean (The Rationale Behind the Confidence Interval Formula).
Intro to Confidence Intervals for One Mean (Sigma Known).
Finding the Appropriate z Value for the Confidence Interval Formula (Using a Table).
Confidence Intervals for One Mean: Interpreting the Interval.
What Factors Affect the Margin of Error? (In a Confidence Interval for One Mean).
Confidence Intervals for One Mean: Sigma Not Known (t Method).
Introduction to the t Distribution (non-technical).
Confidence Intervals for One Mean: Determining the Required Sample Size.
Confidence Intervals for One Mean: Investigating the Normality Assumption.