HW help please!! A. z-Test B. Single Sample t-test C. Paired-samples t-test D. I
ID: 2923054 • Letter: H
Question
HW help please!!
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.
Explanation / Answer
1 ) D. Independent-samples t-test
2 ) F. Correlation
3 ) A. z-Test
4 ) C. Paired-samples t-test
5 ) E. one-way ANOVA
6 ) B. Single Sample t-test
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.