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The average cost per night of a hotel room in New York City is $273 (SmartMoney, March 2009).
Assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is $65.
a. With 95% confidence, what is the margin of error?
b. What is the 95% confidence interval estimate of the population mean?
c. Two years ago the average cost of a hotel room in New York City was $229. Discuss the change in cost over the two-year period.
This type of sampling is also known as chance sampling or probability where each and every item in the population has an equal change of inclusion in the sample and one of the poss
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the first four moments of a distribution about the mean are 0,16,-64 and 162.what is the standard deviation ?
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Hi I just want to know if you many be able to solve these three cases for intermediate accounting class! Thank you
median
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