Question: You want to estimate the mean SAT score of all

You want to estimate the mean SAT score of all college applicants. First use the range rule of thumb to make a rough estimate of the standard deviation of those scores. Possible SAT scores range from 600 to 2400. Use the estimated standard deviation to determine the sample size corresponding to a 98% confidence level and a margin of error of 100 points. What isn’t quite right with this exercise?

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  • CreatedMay 03, 2015
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