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Mathematics, 10.03.2020 00:27 me1233456
Noise levels at 6 airports were measured in decibels yielding the following data: 148,155,177,141,173,141 Construct the 98% confidence interval for the mean noise level at such locations. Assume the population is approximately normal. Step 1 of 4 : Calculate the sample mean for the given sample data. Round your answer to one decimal place.
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Noise levels at 6 airports were measured in decibels yielding the following data: 148,155,177,141,17...
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