Use sample smaller than required sample size

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Reference no: EM132149378

The Bureau of Labor Statistics is planning the next yearly survey to determine the average cost of a summer vacation for a US family. The following standards have been set: a confidence level of 95% and an error of less than $100. Past research has indicated that the standard deviation should be $656.

What is the required sample size?

What would happen to your results if you use a sample smaller than the required sample size?

What would be the required sample size if the BLS standards specify a 99% confidence level instead?

Reference no: EM132149378

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