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The mean IQ score of a sample of 57 students selected from a high school is 92. Suppose the standard deviation of IQ's at this

The mean IQ score of a sample of 57 students selected from a high school is 92. Suppose the standard deviation of IQ's at this school is= 7.1. The 99% confidence interval for the population mean (rounded to two decimal places) is:

The lower limit is

The upper limit is

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