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Q2. A sample of 100 commuters in Boston indicated that they commute an average of ninety minutes per day. The standard deviation of the sample
Q2. A sample of 100 commuters in Boston indicated that they commute an average of ninety minutes per day. The standard deviation of the sample was 36 minutes.
- Determine the standard error of the mean.
- With a 0.95 probability, what is the margin of error?
- What is the 95% confidence interval of the population mean?
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Calculus With Applications, Version
Authors: Margaret L Lial, Raymond N Greenwell, Nathan P Ritchey
10th Edition
032183111X, 9780321831118
