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Mathematics, 15.04.2021 06:00 magics

A random sample of 100 students is selected from a certain school. They are given an IQ test which has a known standard deviation of 11. The sample mean is found to be 112. Determine a 98%
confidence interval for estimating the mean school intelligence.

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A random sample of 100 students is selected from a certain school. They are given an IQ test which...

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