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Mathematics, 06.05.2021 22:00 playaajosh

In the population, the average is 10 in 100. A team of scientists wants to test a new medication to see if it has either a positive or negative effect on intelligence, or no effect at all A sample of 30 participants who have taken the medication has a mean of 140 with a standard deviation of 20. Did the medication affect intelligence?​

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