# Question

For each data set:

(a) Find the mean.

(b) Find the standard deviation, treating the data as a sample.

(c) Find the standard deviation, treating the data as a population.

(d) What does this exercise show about the two formulas?

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

(a) Find the mean.

(b) Find the standard deviation, treating the data as a sample.

(c) Find the standard deviation, treating the data as a population.

(d) What does this exercise show about the two formulas?

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

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