Answer the following questions given the data below. Show all work and use appropriate notation. If using a calculator, state the programs you are using. Round all answers to one decimal place. The following are the number of miles a sample of 20 people drove in one day: 80 54 72 16 4 21 91 87 65 56 52 48 36 61 41 68 43 32 52 49 1. Find the following descriptive statistics: a. Mean b. Standard Deviation c. Coefficient of Variation 2. Use the Range Rule of Thumb to determine any "unusual" values.