Question

QUESTION 14 (B. 1/4) 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? Group Statistics Was stop during the day or at night N Day Night 124 How many minutes did the stop last Mean 15.05 12.12 Deviation 25.624 17.588 Sed. Error Mean 2.796 1.579 Independent Samples Test Levene's Test for Equality of Variances t-test for quality of Man 95Condence interval of the Duterence Lowe Lipper Si. 2- Std. Error Difference 2.995 F + 977 Mean Derence 2.927 330 206 2.810 Equal variances How many minutes did the stop list 135.146 3.211 364 2.927 Equal variances not assumed Question: What is the obtained value of t, or our t-score?

Answer 1

As p value for equality of variance test is 0.95,

Which is greater than the level of significance.

Therefore, we conclude that the variances are same for both Day and Night.

Therefore, t test for equal variance is appropriate

Therefore, from the above output

t score = 0.977

Dear student,
I am waiting for your feedback. I have given my 100% to solve your queries. If you satisfied with my answer then please please like this.
Thank You