(Answered) What is the standard deviation

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Problem: The following data were collected from students over the course of a day to assess the average weight of backpacks ( in pounds) 4,6,5,9,12,8,7, and 15.

Required:

Problem: What is the standard deviation for these data, first without the correction and then with the correction used when estimating a population? What is the purpose of using the corrected standard deviation. Support your statements with examples.

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