K Find the standard deviation s of sample data summarized in the frequency distribution table...
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K Find the standard deviation s of sample data summarized in the frequency distribution table below by using the formula below where x represents the class midpoint f represents the class frequency and n represents the total number of sample values Also compare the computed standard deviation to the standard deviation obtained from the original list of data values 11 1 S n 1 x f x n n 1 Interval Frequency Standard deviation 4 30 39 2 Round to one decimal place as needed 40 49 2 50 59 3 60 69 3 T 70 79 9 80 89 31 90 99 36
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