Consider the following sample data.

Sample A:7, 11, 15Sample B:65, 69, 73Sample C:1,020; 1,024; 1,028

(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.