n a study of proctored and nonproctored tests in an online Intermediate Algebra course, researchers obtained the data for test results given below. Group 1 (Proctored): n = 35, 30 . 74 = x , s = 12.87 Group 2 (Nonproctored): n = 32. 62 . 88 = x , s = 22.09  Use a 0.01 significance level to test the claim that students taking non-proctored test get a higher mean than those taking proctored tests.

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