The set of data below is a sample of sales revenues ($00). 6 5 2 3 3 a) Calculate the variance and the standard deviation. b) Give the value of the 30 th percentile. c) Are the values you calculated...

The set of data below is a sample of sales revenues ($00).

a) Calculate the variance and the standard deviation.

b) Give the value of the 30^th
percentile.

c) Are the values you calculated in part a) statistics or parameters? Briefly explain.