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Homework Question 13, 13.8.57-T HW Score: 21.11%, 3.17 of 15 points Part 1 of 3 Points: 0 of 1 Save A magazine collected the ratings for food, decor, service and the cost per person for a sample of 98 restaurants. They combined the ratings to create a summated rating and used that to predict the cost of a restaurant meal. The data are modeled by Y = - 27.277 + 1.1079X, where X, is the summated ratings and Y, is meal cost. For these data, Syy = 8.867, X = 60.75, and h; = 0.030937 when X=51. Complete parts (a) through (c). a. Construct a 90% confidence interval estimate of the mean cost of a meal for restaurants that have a summated rating of 51. SHY X = XS (Type integers or decimals. Round to three decimal places as needed. Use ascending order.) an example Get more help - Clear all Check answer MacBook Pro