Question: An economist would like to estimate the 95 confidence interval

An economist would like to estimate the 95% confidence interval for the average real estate taxes collected by a small town in California, ravaged by the economic crisis. In a prior analysis, the standard deviation of real estate taxes was reported as $1,580. What is the minimum sample size required by the economist if he wants to restrict the margin of error to $500?


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  • CreatedJanuary 28, 2015
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