Please type the letter for the appropriate hypothesis test on the space provided to the left of the question for items 1-6.
A. z-Test B. Single Sample t-test C. Paired-samples t-test
D. Independent-samples t-test E. one-way ANOVA F. Correlation
1. If I wanted to compare the test scores of a 10:00 am class to the test scores of an 11:00 am class.
2. Researchers are interested in the relationship between the likability (measured on a continuous scale) of a character on Games of Thrones and the number of episodes until their death on the show.
3. The average age for all licensed drivers in the United States is 42.6 years old with a standard deviation of 12 years. Douglas County officials are interested in examining if drivers in the county match the average age for the U.S. A sample of 25 drivers was randomly selected from the Douglas County DMV and found to have a mean age of 40.5 years old.
4. A group of 15 students enroll in a driver safety course. They are given a test of driving skills before the course, and after completing the course the same test is again administered.
5. Researchers are interested if the type of breakfast cereal a child eats affects their hyperactivity in the classroom. A sample of children were randomly assigned to eat either "Bland Bran Flakes", "Honey-nut Shredded Wheat", or" Chocolate-Frosted Sugar Bombs". Their hyperactivity during the school day was observed and compared.
6. Boxes of raisins are packed by weight. On average, a box of raisins from the grocery store will have 30 raisins in it. One company wants to compare their raisins to the national average. They take a sample of 30 of their boxes and find 28.86 raisins on average.