Use the preparation materials to prepare hand-written answers for the following questions. Please ask any questions on the "Questions -- Preparation Guide" on the course Team (see link on the homepage.)
  1. How are the p-value and α used to make a decision about the null hypothesis? What decisions can be made and why?
  2. Define the two types of errors that can be made in hypothesis testing.
  3. What symbol represents the probability of making a Type I error?
  4. What symbol represents the probability of making a Type II error?
  5. What decisions can you make (as a statistician) to decrease β? Which decision is “better”?
  6. Define statistical power?
  7. What decisions can you make (as a statistician) to increase power? Which decision is “better”?
  8. What does a test statistic measure?
  9. What questions do you have from this reading that you would like me to address? [Please be as specific as possible. Don’t just say “everything” or “I don’t understand anything.” Of course, you can ask questions about the reading before class on MS Teams (see link above).]