How does probability relate to hypothesis testing? What is a research question? ** Define what a null and alternative hypothesis is. Give an example with a research question FIRST and then the matching null and alternative hypotheses (the words have to match EXACTLY - important first step for all of the tests we will do in this course). Define an alpha, the critical region, and a p-value as per hypothesis testing. How is the test being one or two-tailed related to the critical region? Explain, using these terms, how you know when to reject or when to fail to reject a null hypothesis. When a test is significant was the null hypothesis rejected or failed to reject? Next, define a Type I error and a Type Il error and explain the consequences of each