Stats Homework for Mathematics Expert Only
Chinook
stats_homework.docxLane Questions:
Chapter 15, Exercise 10, Page 572
10. If an experiment is conducted with 5 conditions and 6 subjects in each
condition, what are dfn and dfe?
Chapter 15, Exercise 13, Page 572
13. How is the mean square computed from the sum of squares?
Illowsky Questions:
Chapter 13, Exercise 63, Page 724
Use the following information to answer the next three exercises. Suppose a group is interested in determining whether teenagers obtain their drivers licenses at approximately the same average age across the country. Suppose that the following data are randomly collected from five teenagers in each region of the country. The numbers represent the age at which teenagers obtained their drivers licenses.
63. F statistic = ________
Chapter 13, Exercise 69, Page 725
69. A researcher wants to know if the mean times (in minutes) that people watch their favorite news station are the same. Suppose that Table 13.24 shows the results of a study.
Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. Use a level of significance of 0.05.
Chapter 13, Exercise 77, Page 729
77. A grassroots group opposed to a proposed increase in the gas tax claimed that the increase would hurt working-class people the most, since they commute the farthest to work. Suppose that the group randomly surveyed 24 individuals and
asked them their daily one-way commuting mileage. The results are as follows.
