# Statistic

Your company wants to conduct a salary survey for the position of Accounting Assistant II. The estimated salary range is \$4,500, the margin of error should be \$100 and the desired level of confidence is 95%. What is the optimal sample size for this salary survey?

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1. You shouldn't be trying to get answers to the final here!

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posted by Richard
2. n = [(z*sigma)/E]² = [1.96*\$4,500)/\$100]² = (\$77,792,400 / \$10,000) = 7,779.24 = 7,780

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posted by Joe

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