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7 The mean IQ of all students in a certain university is claimed to be 140. A random sample of 36 students produced a mean

7 The mean IQ of all students in a certain university is claimed to be 140. A random sample of 36 students produced a mean IQ of 137.5 and a variance of 29.16. can you conclude that the mean of IQ of the students is different than 140? Test at = .10

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