Chapter 10 Question 5

5. Sharon Cronin is the manager of the Wok and Egg Roll oriental buffet located in the food court of a shopping mall. Sharon monitors her daily customer counts and has calculated her four-week customer count average for each day of the week. She has also calculated the percentage change in daily customer counts she has experienced from the prior four-week period. It is that percentage change she will use to estimate next week's daily customer counts. Help Sharon estimate her customer counts for the upcoming week based on her sales histories and percentage change from her prior operating period, and then answer the questions that will help her better plan for next week's volume. Round your answers to one decimal place. Estimated Change in Guest Count Estimated Total Guests Four-Week Average 385 410 % Change from Prior Period 2.00 -1.50 425 3.00 Week Day Sunday Monday Tuesday Wednesday Thursday Friday Saturday Week Total -2.30 585 675 0.50 4.20 850 950 3.80 Percentage Change in Guest Count % a. What was the average number of guests Sharon served each week in the past four weeks? b. What would be Sharon's best estimate of the total number of additional guests she will serve next week when compared to her prior four-week average number of guests served? c. What would be Sharon's best estimate of the total number of guests she will serve next week? d. What will be Sharon's best estimate of percentage change in the number of guests she will serve next week