The calories and sugar content per serving size of ten brands of breakfast cereal are fitted with a least squares regression line with computer outputs: (see picture) 1. What are the predicted calories for a brand with 10 g sugar per serving? 2. What were the actual calories for the brand with 10 g sugar per serving?

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The calories and sugar content per serving size of ten brands of breakfast cereal are fitted with a least squares regression line with computer outputs: (see picture)

1. What are the predicted calories for a brand with 10 g sugar per serving?

2. What were the actual calories for the brand with 10 g sugar per serving?

Residuals
T
3
9
Sugar (g)
12
15
Dependent variable is: Calories
s = 6.544 R-sq=77.98 R-sq (adj) = 75.2%
Source df SS
MS
F
1210.08
28.3
Regression 1 1210.08
Residual
8 342.547
42.8194
Variable Coef s.e. Coef t
Р
Constant 78.3275 4.117
19 0.0001
Sugar 2.74239 0.5159 5.32 0.0007
Transcribed Image Text:Residuals T 3 9 Sugar (g) 12 15 Dependent variable is: Calories s = 6.544 R-sq=77.98 R-sq (adj) = 75.2% Source df SS MS F 1210.08 28.3 Regression 1 1210.08 Residual 8 342.547 42.8194 Variable Coef s.e. Coef t Р Constant 78.3275 4.117 19 0.0001 Sugar 2.74239 0.5159 5.32 0.0007
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