How large a sample do you need?

Sigchi4life
Category:
Statistics
Price: $5 USD

Question description

Suppose that you want to estimate the entry level salaries of high school teachers for the state of Nebraska. A previous study had $1700 listed as the sample standard deviation. You want to have a 90% confidence interval with a margin of $250. How large a sample do you need?

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(Top Tutor) Daniel C.
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School: Boston College
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