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People taking a test had a mean score of 51. The test was taken by 12 students. What is the effect size index, and t

People taking a test had a mean score of 51. The test was taken by 12 students. What is the effect size index, and t test, with a conclusion about scores

48, 44, 53,35, 58, 42,55, 37, 50,46, 40, 32

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