Question: Consider the grouped sample data to the right. a. Calculate the mean of this sample data. b.Calculate the standard deviation of this sample data.

Consider the grouped sample data to the right. a. Calculate the mean of this sample data. b.Calculate the standard deviation of this sample data. a. Calculate the mean of this sample data. X= (Round to three decimal places as needed.) b. Calculate the standard deviation of this sample data. (Round to three decimal places as needed.) COOB S= Values 0 to under 2 2 to under 4 4 to under 6 6 to under 8 Frequency 20 11 30 60

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