Відео

This video demonstrates how to calculate the confidence interval for the difference between two sample proportions using a TI-84 calculator.

A short video on how to compute a confidence interval for the difference of two proportions.

A short video on how to find a missing Z-value using a TI-84 .

A short video on how to find areas under the standard normal distribution using a TI-84 calculator.

A short video on how to perform an ANOVA test.

A short video on how to perform an ANOVA test.

An example of how to perform an F-test for a specific problem.

A short video on how to perform an F-test.

An example of how to compute the coefficient of determination and the standard error of the estimate.

A short video on how to compute the coefficient of determination and the standard errror of the estimate for two examples.

A short video that reviews three examples of computing the line of regression.

A short video on how to test for correlation.

A short video on how to perform a test for correlation.

Practice Problem 2 - Z - test for the Difference Between 2 Proportions

Practice Proble 1 - Z - test for the Difference Between 2 Proportions

Practice Problem 2 - T- test for the Difference Between Two Means

Practice Problem 1 - T- test for Difference Between Two Means

Practice Problem - Z-test for two means ( problem 2)

Practice Problem - Z- test for Two Means ( Problem 1)

Practice Problem #2 - Z - test for a Proportion

Practice Problem#1 - Z- test for a Proportion

Practice Problem #2 - T- test for the Mean

Practice Problem #1 - T- test for the Mean

Practice Problem#2 - Z test for the mean using a P-value

Practice Problem #1 - Z test for the mean using a P-value

Practice Problem #2 - Z test for the Mean

Practice Problem #1 - Z test for the Mean

Practice Problems - Confidence Interval for Proportions

Practice Problems - Confidence Intervals for the Mean with T-values