Question

QUESTION 16 (B. 3/4) Answer the following questions using data from the Police-Public Contact Survey. Are there differences between time of day and how long a police- stop lasts? Sed. Error Group Statistics Was stop during the day or at night? N Day 84 Night 124 How many minutes did the stop last Mean 15.05 12.12 Sid Deviation 25.624 17.588 2.796 1.579 Independent Samples Test Levene's Test for Equality of Variances t-test for quality of Means S. 2 tailed .330 Sio .095 Mean Difference 2.927 95% Confidence interval of the Difference Lower Upper -2.979 8.832 Sed. Error Difference 2.995 How many minutes did 2.810 977 206 Equal variances assumed Equal variances not assumed 1911 135.146 364 2.927 3.211 -3.424 9.277 Question: What is the p-value listed in the results above?

Answer 1

Using the given output: For equal variances: The p-value of the hypothesis test is, 0.330 For unequal variances: The p-value of the hypothesis test is, 0.364