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# Use the following to answer the questions below:Fast food restaurants are required to publish ...

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Use the following to answer the questions below:

Fast food restaurants are required to publish nutrition information about the foods they serve. Nutrition information for a random sample of McDonald's lunch/dinner menu items (excluding sides and drinks) was obtained from their website. Output from a multiple regression analysis is provided.

The regression equation is Calories = 65.2 + 9.46 Total Fat (g) + 0.876 Cholesterol (mg) + 0.131 Sodium (mg)

 Predictor Coef SE Coef T P Constant 65.18 31.41 2.08 0.062 Total Fat (g) 9.464 1.710 5.53 0.000 Cholesterol (mg) 0.8762 0.6366 1.38 0.196 Sodium (mg) 0.13149 0.04790 2.75 0.019

S = 39.4529        R-Sq = 95.5%        R-Sq(adj) = 94.3%

Analysis of Variance
 Source DF SS MS F P Regression 3 362171 120724 77.56 0.000 Residual Error 11 17122 1557 ​ ​ Total 14 379293 ​ ​ ​

A boxplot of the residuals and a scatterplot of the residuals versus the predicted values are provided. Discuss whether the conditions for a multiple linear regression are reasonable by referring to the appropriate plots.

Textbook

## Statistics: Unlocking the Power of Data

Edition: 3rd
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Ranim_SaleemRanim_Saleem
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