Question: You’re a fourth-grade teacher, and you’ve saved extensive records of all your students for the past five years. Assume that your students are a sample of all fourth-graders in your state.

For each of the following questions, state what test to use, how you would set up the data and the Ho/Ha if applicable. Please use full sentences.

Redheads are rumored to have fiery tempers. Is there any significant difference in grades between blondes, brunettes, and redheads?