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A car averages 22 mpg with a standard deviation of 3. What is the standard error if 22 of theses cars were sampled for

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A car averages 22 mpg with a standard deviation of 3. What is the standard error if 22 of theses cars were sampled for their mean average mpg? 0.15 0.36 0.63 none of these Question 2 (25 points)

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