Question

(Optional) Using the International Social Survey Program data we find women in the U.S. (N = 654) spend, on average, 3.53 hours per day doing housework, with the standard deviation of 1.91, and women in Sweden (N = 639) spend, on average, 2.87 hours per day doing housework, with the standard deviation of 1.85. Researchers want to test whether American women spend more time than Swedish women on housework? Questions 39 to 42 are based on this example.
39. What is the null hypothesis?

40. What would be the critical value(s) for α = 0.05?

41. What would be the z-obtained value?

42. What conclusion can you make for this example? Briefly explain with statements and numbers.

Answer 1