Sample A:11, 19, 27

Sample B:69, 77, 85

Sample C:1,040; 1,048; 1,056

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

Sample A:Sample B:Sample C:MeanSample Standard Deviation

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

multiple choice

• 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.