Consider the following sample data.

Sample A: 5, 11, 17

Sample B: 76, 82, 88

Sample C: 1,075; 1,081; 1,087

(a)Find the mean and standard deviation for each sample.

Sample A: Sample B: Sample C:

Mean __________ __________ __________

Sample Standard Deviation. ___________ ___________ ___________

(b)What does this exercise show about the standard deviation?

• The idea is to illustrate that the standard deviation is not a function of the value of the mean.
• The idea is to illustrate that the standard deviation is a function of the value of the mean.