PROBLEM 2 A local newspaper conducted a survey among its readers to determine the best pizza delivery franchise in town. Among a dozen or so pizza outlets, based on collected reader ratings (on a scale from 0 to 100), two were top contenders, Pizzeria ABC and Pizzeria OPQ. The newspaper uses these ratings to make recommendations. A questionnaire is used as an exit poll for customers to whom pizzas were delivered. Random samples of customers were asked to rate their chosen pizza place. The responses of each individual are summed to form a single rating, which tends to be normally distributed. The outcome is shown in table below. Pizzeria ABC Pizzeria XYZ 79 55 59 64 75 81 88 85 53 58 54 57 90 73 77 74 65 A. [10 pts.] Use the table data to estimate the true mean difference between the pizzeria scores. Use a 98% confidence interval