Video showing how to determine the probability that the population mean is between two given values when given the mean and standard deviation of a sample. Uses sampling distribution and calculates a z-score in order to determine the...

Video demonstrates using t-statistics to create a 95% confidence interval for a small sample size. [11:47]

Video gives example of using a t-distribution when a small sample size is given. Example includes how to use a t-table to create a confidence interval for the population mean. [11:11]

Video is the second of two parts to demonstrate an example using election statistics to compare the population proportions of the women and men who voted for a particular candidate. The first video showed how to calculate the mean and...

This lesson models how to construct and interpret a confidence interval in a problem about teens' use of Snapchat. Includes downloadable study guide with exercises - guide also covers other topics. [10:31]

This lesson demonstrates how to interpret a confidence interval once you have calculated it. Includes downloadable study guide with exercises - guide also covers other topics. [9:56]

This lesson looks at what effects changing the standard deviation, confidence level, and/or sample size have on the width of a confidence interval. Includes downloadable study guide with exercises - guide also covers other topics. [11:26]

This lesson models how to construct and interpret a confidence interval in a problem about Instagram followers among teens. Includes downloadable study guide with exercises - guide also covers other topics. [14:30]

Video demonstrates how to create a 95% confidence interval of the difference of means. Uses an example involving a medical experiment's results. [15:49]

Video demonstrating and explaining how to create a 99% confidence interval for the population mean based on a survey result. Also discusses how surveys can be altered to narrow the confidence interval. [18:35]

Video continues from previous video to show how to create a confidence interval for the population mean from a sample taken from a Bernoulli distribution. [10:05]

This lesson teaches students how to identify the incorrect use of confidence intervals in a news article. Includes downloadable study guide with exercises - guide also covers other topics. [6:18]

This video shows how to create a confidence interval for the population mean from a sample taken from a Bernoulli distribution. Finding the 95% confidence interval for the proportion of a population voting for a candidate.

Video is a clarification of the previous video about what the 95% confidence interval means and why it is useful. [2:41]