STA 100, Winter 2022 - Quiz #1 Please answer the following questions as completely as possible. Be sure to show ALL WORK. Partial credit will be awarded to partially correct answers. Good luck! For this entire quiz, consider the following dataset of the nine most popular fast food restaurants in the US. Below you will find their Sales in 2017 and their Category: Restaurant Category US Sales, 2017, in $Billions Mcdonald's Burger $37.0 Starbucks Snack $13.0 Subway Other $10.8 Burger King Burger $10.0 Taco Bell Other $9.8 Wendy's Burger $9.3 Dunkin' Donuts Snack $9.2 Chick-fil-a Other $9.0 Domino's Other $5.9 1. Construct a pie chart of Category distribution. Use "relative frequency."\f3. Find the mean and median for Sales. 4. Create a histogram for Sales with bin sizes = $8 Billion 5. Describe the symmetry and/or skew of the Sales variable. 6. Find the range, variance, and standard deviation of Sales. 7. Assume that the distribution is symmetric and mound-shaped for the purposes of this question only. Use the Empirical Rule to interpret the standard deviation of Sales for +/- 2 SD's given your responses to #5. 8. Find the z-scores for Sales for Burger King and Starbucks. \f