Assume that a sample is used to estimate a population mean ??.
Find the 95% confidence...
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Assume that a sample is used to estimate a population mean ??.Find the 95% confidence interval for a sample of size 56 with amean of 65.3 and a standard deviation of 6.4. Enter your answer asan open-interval (i.e., parentheses)accurate to 3 decimal places.
95% C.I. =
The answer should be obtained without any preliminary rounding.
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