Question

QUESTION 32 Problem 5) Final scores of all the students in randomly selected 3 sections in a course, "Statistical Methods I Sam Houston State University we pested below. There we wechsel Section 3: (69.92.66, 81, 76, 55, 70, 83, 68, 57, 80, 66, 69, 55, 58, 70, 70, 70, 56, 50) Section 6: (10, 73, 88, 58, 89, 69, 63, 76, 87, 82, 97, 76, 66,95, 84, 88, 82, 81,68, 19) Section 9. (30,85, 76, 73.92, 65,90, 71, 77, 78, 86, 91, 87, 78, 88, 77, 73.97, 86,99) (11) An instructor of Statistical Methods I believes that the mean final score of section is higher than the mean final score of section Perform a hypothes best to see if the mean finalis higher than the mean final score in section 6. Assume that the population standard deviations are the same in both section 6 and section 9. Gave the p-value of the best

Answer 1

Ant sections = EXi'. 79.95 A sections Exie 76.05 (sd section 9 1314-3)? 189 14.81633 (50) section 6 18.89159 ** population Standorod deyłation cesed same, we will use pooled + test 52 +5² J (14.8162377 (81891899* (14.81633* +(181891592 - 16.97669 2 79.95 - 76.05 0.72646 Sp 16.97669% 669X2 20 test-steeristics = section 9 - Trection 6 p** using student's of all tobulados , the p-valve for a test -steemistics of 0.72646 wealth of = or, toz -2 = 38 for a right talled as P-vame = 20.2360 CS Scanned with CamScanner