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For the following data set, approximate the sample standard deviation of commuting times per day, rounding O A. 3.9 min to one decimal place. O B. 55.7 min Commute (in min) | Frequency O C. 6.6 min 50-52 5 O D. 2.5 min 53-55 8 56-58 12 59-61 13 62-64 11 Next