Hypothesis Test for Difference of Means.

This lesson will explain the distinction between sample statistics and population parameters, with a review of sampling distributions. It is 2 of 4 in the series titled "Sample Statistics and Population Parameters."

This lesson will explain the distinction between sample statistics and population parameters, with a review of sampling distributions. It is 3 of 4 in the series titled "Sample Statistics and Population Parameters."

This lesson will explain the distinction between sample statistics and population parameters, with a review of sampling distributions. It is 4 of 4 in the series titled "Sample Statistics and Population Parameters."

This lesson will explain sampling with and without replacement. It is 4 of 4 in the series titled "Sampling With or Without Replacement."

This lesson will explain the significance level and the probability of making a Type I error. It is 4 of 5 in the series titled "Significance Level and Probability of Making Type I Error."

This lesson will explain Type I and Type II errors. It is 3 of 4 in the series titled "Type I/II Errors." Includes short quiz and handout with practice exercises. [6:35]

This lesson will explain hypothesis testing when the population standard deviation (sigma) is known. It is 3 of 5 in the series.

This lesson will explain hypothesis testing when the population standard deviation (sigma) is known. It is 1 of 5 in the series.

This lesson will explain sampling with and without replacement. It is 2 of 4 in the series titled "Sampling With or Without Replacement."

This lesson will explain the significance level and the probability of making a Type I error. It is 2 of 5 in the series titled "Significance Level and Probability of Making Type I Error."

This lesson will explain the significance level and the probability of making a Type I error. It is 5 of 5 in the series titled "Significance Level and Probability of Making Type I Error."

This lesson will explain sampling error and sample size. It is 2 of 4 in the series titled "Sampling Error and Sample Size."

This lesson will explain sampling error and sample size. It is 3 of 4 in the series titled "Sampling Error and Sample Size."