Confidence Intervals
18-A: Confidence interval introduction
Learning Objectives:
Understand broadly what a confidence interval is
18-B: Computing confidence intervals with the normal distribution
Learning Objectives:
Calculate and interpret confidence intervals for estimating a population mean and a population proportion
READ: Computing confidence intervals with normal distribution
18-C: Computing confidence intervals with the t distribution
Learning Objectives:
Interpret the Student’s t probability distribution as the sample size changes
Discriminate between problems applying the normal and the Student’s t distributions
READ: Computing confidence intervals with the t distribution
18-D: Computing confidence intervals with the binomial distribution
Learning Objectives:
Calculate the sample size required to estimate a population mean and a population proportion given a desired confidence level and margin of error
READ: Computing confidence intervals with the binomial distribution
18-E: Interpreting confidence intervals
Learning Objectives:
Find a confidence interval to estimate a population proportion when conditions are met. Interpret the confidence interval in context.
Interpret the confidence level associated with a confidence interval.