test
5.6 What Factors Affect the Margin of Error?
5.10 Confidence Intervals for One Mean: Investigating the Normality Assumption
5.3 Intro to Confidence Intervals for One Mean (Sigma Known)
5.2 Deriving a Confidence Interval for the Mean
5.9 Confidence Intervals for One Mean: Determining the Required Sample Size
I show how to find the appropriate z value (using the standard normal table) when calculating a confidence interval.
5.6 What Factors Affect the Margin of Error?5.10 Confidence Intervals for One Mean: Investigating the Normality Assumption5.3 Intro to Confidence Intervals for One Mean (Sigma Known)5.2 Deriving a Confidence Interval for the Mean5.9 Confidence Intervals for One Mean: Determining the Required Sample Size5.6 What Factors Affect the Margin of Error?5.10 Confidence Intervals for One Mean: Investigating the Normality Assumption5.3 Intro to Confidence Intervals for One Mean (Sigma Known)5.2 Deriving a Confidence Interval for the Mean5.9 Confidence Intervals for One Mean: Determining the Required Sample Size