Mathematics, 19.03.2021 18:10 ICAMARON632
Noise levels at 5 airports were measured in decibels yielding the following data:
117,118,140,116,119
1. Construct the 90% confidence interval for the mean noise level at such locations. Assume the population is approximately normal.
2. Calculate the sample mean for the given sample data.
3. Find the critical value that should be used in constructing the confidence interval.
Answers: 1
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Noise levels at 5 airports were measured in decibels yielding the following data:
117,118,140,116,1...
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