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A sample of 25 adults living in Kentucky had an average IQ of 102. We are interested in a 99% confidence interval for the average

A sample of 25 adults living in Kentucky had an average IQ of 102. We are interested in a 99% confidence interval for the average 1Q of all adults in Kentucky. What is the appropriate critical value? O t* = 2.576 z* = 2.576 O t* = 2.797 O z* = 2.797

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