10.13. Kouchaki and Smith (2014) asked whether college students are more ethical in the morning or in the afternoon. Participants could earn up to $5 performing perceptual tasks that permitted cheating. The number of times the 16 participants cheated is shown in the table that follows. Calculate d and a 95% condence interval. Write a conclusion. Morning Afternoon 25 24 9 33 30 15 18 32 2? 3 2 30 15 23 26 2 10.18. Two sisters attend different universities. Each is sure that she has to compete with brighter students than her sister does. They decide to settle their disagreement by comparing ACT admission scores of freshmen at the two schools. Suppose they bring you the following data and ask for an analysis. The As represent all freshmen for one year. The sisters agree to a significance level of .05. Begin by deciding whether to use a one-tailed or a two-tailed test. Calculate a f test and other statistics that might be helpful as you write an interpretation. Be sure to carry several decimal places in your work. The U State U X 23.4 23.5 N 8000 800010.4. For each experiment that follows, identify the independent variable, its levels, and the dependent variable. a. A psychologist compared the annual income of people with high Satisfaction With Life Scale scores to the income of those with low SWLS scores. b. For inmates convicted of robber)r and inmates convicted of embezzlement, a sociologist assembled data on years served in prison. c. A physical therapist measured exibility before treatment and again after 3 weeks of treatment for 4-0 patients