Candy The following data represent the weight (in grams of various candy bars and the corresponding number of calories. Candy Bar Weight, x Calories, y Hershey's Milk Chocolate 44.28 230 Nestle's Crunch 44.84 230 Butterfinger 61.30 270 Baby Ruth 66.45 280 Almond Joy 47.33 220 Twix" (with Caramel) Snickers Heath 58.00 280 61.12 280 39.52 210 Source: Megan Pocius, Student at Joliet Junior College (a) Draw a scatter diagram of the data treating weight as the independent variable. (b) What type of relation appears to exist between the weight of a candy bar and the number of calories? (c) Select two points and find a linear model that contains the points. (d) Graph the line on the scatter diagram drawn in part (a). (e) Use the linear model to predict the number of calories in a candy bar that weighs 62.3 grams. (f) Interpret the slope of the line found in part (c).

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