A sample of size $\displaystyle {n}={10}$ is drawn from a population. The data is shown below.

60.4	77.4	56.1	91.6	73.1
91.6	64.5	91.6	81.6	76.8

What is the range of this data set?

range =

What is the standard deviation of this data set? (Remember, it is a sample.) Please report the answer with appropriate rounding, reporting 2 more decimal places than the original data. Please, please, please do not calculate the value by hand.

stdev =