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7. Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the form below, where x represents the

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7. Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the form below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. SE [{(tx?)]- [>

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