This Concepts introduces students to using and interpreting confidence intervals.
Explains the meaning of a confidence interval and how it is useful in estimating a population mean.
Explains what each item in the confidence interval formula means and how to create an interval just from the formula.
Shows how you can use a formula to calculate the sample size needed in order to have a certain margin of error in the estimation of the population mean.
A simulation creating random confidence intervals based off of true statistics.
A simulation creating confidence intervals based off of a true proportion.