help with these multiple choice stat hwk questions please :)

Question 8 (1 point) You are looking for a way to incentivize the sales reps that you are in charge of. You design an incentive plan as a way to help increase in their sales. To evaluate this innovative plan, you take a random sample of 66 of your reps and their weekly incomes before and after the plan were recorded. You calculate a difference in income as (after incentive plan - before incentive plan). You are interested in if sales after the program are less than sales before the program. You perform a paired samples ttest with the hypotheses of Null Hypothesis: L10 2 0, Alternative Hypothesis: pm 0. You see that the average difference in sales was $8.66 with a standard deviation of $400.19. What is the test statistic and p-value of this test? 0 1) Test Statistic: 0.137, PValue: 0.554 O 2) Test Statistic: -0.137, P-Value: 0.554 O 3) Test Statistic: 0.137, PValue: 0.446 O 4) Test Statistic: -0.137, P-Value: 1.108 O 5) Test Statistic: -0.137, P-Value: 0.446