of a normal distribution, although the test can be used in other non-normal distributions. Before conducting a one-tailed test, establish null and alternative hypotheses. The null hypothesis is the ...

In Hypothesis Testing 1, 2 and 3, you have used normal and t-distributions to test hypotheses. Chi-Square tests use the Chi-Square probability distribution. You will be introduced to the use of that ...

This video describes the central limit theorem and some properties of the normal distribution. Understanding this will help you tie together many of the different types of hypothesis tests and ...