Mathematics, 10.03.2020 00:28 ladybugys

Mr. O’Hara has developed a test of mechanical aptitude. At the beginning of a course in auto mechanics, he gives this test to his students. At the end of the year, he compares students’ scores on the test with their actual achievement in his course. What is he probably trying to find out about his test?

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Mr. O’Hara has developed a test of mechanical aptitude. At the beginning of a course in auto mechani...

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