13. (6 pts) A researcher wishes to see if the five ways (drinking caffeinated beverages, taking a nap, going for a walk,
Posted: Mon May 09, 2022 12:43 pm
- 13 6 Pts A Researcher Wishes To See If The Five Ways Drinking Caffeinated Beverages Taking A Nap Going For A Walk 1 (167.35 KiB) Viewed 25 times
13. (6 pts) A researcher wishes to see if the five ways (drinking caffeinated beverages, taking a nap, going for a walk, eating a snack, or "other") people use to combat midday drowsiness are equally distributed among office workers. A random sample of 80 office workers is selected, and the following data are obtained. At a = 0.01, can it be concluded that the distribution is uniform? Method Number Beverage 25 Nap 20 Walk 14 Snack 12 Other 9 a) Find the expected value for each category. b) Write the null and alternative hypotheses. c) Find the critic value of Chi-Square at a=.01. d) Find the test value for Chi-Square.