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Sandwich (Restaurant) Fat Content (g) Calories Quarter-pound Single with 20 430 Cheese (Wendy's) Whataburger (Whataburger) 39 750 Cheeseburger (In-n-Out) 27 480 Big Mac (Mcdonald's) 29
Sandwich (Restaurant) Fat Content (g) Calories Quarter-pound Single with 20 430 Cheese (Wendy's) Whataburger (Whataburger) 39 750 Cheeseburger (In-n-Out) 27 480 Big Mac (Mcdonald's) 29 540 Quarter-pounder with cheese 26 510 (Mcdonald's) Whopper with cheese 47 760 (Burger King) Jumbo Jack (Jack in the Box) 35 690 Double Steakburger with 38 632 cheese (Steak 'n Shake) Source: Each company's Web siteMatrix Plot of Fat, Calories 95% CI for Pearson Correlation 800 700 600 Calories 500 400 r = 0.944 CI = (0.71 4, 0.990) 20 30 40 50 Fat Method Correlation type Pearson Number of rows used 8 Correlations Fat Calories 0.944e. What is the value of the linear correlation coefficient (r)? Describe the strength and direction of the linear relationship in context. f. What is the regression equation? g. Interpret the slope and y-intercept, if appropriate. h. Predict the number of calories in a sandwich that has 30 grams of fat. SHOW HOWA cheeseburger from Sonic has 700 calories and 42 grams of fat. 15 the number of calories for this sandwich above or below average among all sandwiches with 42 grams? SHOW HOW and answer the question. j. State and interpret the coefficient of determination (R3) in a complete sentence. m. Do a residual analysis. . Based on the \"Versus Fits" plot, 0 Is a linear model appropriate for describing the relation between fat content and calories? Explain your answer. 0 Is the variance of the residuals constant? Explain your answer. 0 Based on either the standardized residual plot or the boxplot, are there any outliers? Explain your
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