lilchannelll34561 lilchannelll34561

07-06-2023
Mathematics

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You intend to estimate a population mean μ with the following sample.
72.1 73.1 70.3 78.1 67. 6 73.2 72.7 76.9 73.1 80.4 70.9 67.8
You believe the population is normally distributed. Find the 80% confidence interval. Enter your answer accurate to two decimal places as an interval

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