For each data set, answer the following questions. Data Set A: 6, 7 8 Data Set B: 4, 5, 6, 7, 8, 9, 10 Data Set C: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 Click here for the Excel Data File (a-c) Find the mean, sample standard deviation-treating the data as a sample, and the population standard deviati as a population. (Round your answers to 4 decimal places.) es Data Set A Data Set B Data Set C Mean 7.0000 7.0000 7.0000 Sample Standard Deviation 112.0000 Population Standard Deviation (d) What does this exercise show? (You may select more than one answer. Single click the box with the question