Seventy-six Starbucks food items were analyzed for the calorie and carbohydrate content. We used linear regression to explore the relationship between the number of calories and amount of carbohydrates (in grams) Starbucks food menu items contain. The estimated regression equation with carbohydrates as the response variable and the calories as the explanatory variable is ŷ = 8.94 + 0.11x, and summary statistics of the two variables is provided below. variable min Q3 Q1 median sd n missing max mean calories 80 300 350 420 500 338.8 105.4 77 carbohydrates 16 31 45 59 80 44.9 16.6 77

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17. What is the interpretation of the intercept?
a. 8.94% of the variability in carbohydrates can be explained by calories.
b. Food items with zero calories are estimated to have 8.94 grams of carbohydrates.
c. Food items with 0.11 calories are estimated to have 8.94 grams of carbohydrates.
d. Food items with 338.8 calories are estimated to have 8.94 grams of carbohydrates.
e. Food items with 0 grams of carbohydrates are estimated to have 8.94 calories.
Transcribed Image Text:17. What is the interpretation of the intercept? a. 8.94% of the variability in carbohydrates can be explained by calories. b. Food items with zero calories are estimated to have 8.94 grams of carbohydrates. c. Food items with 0.11 calories are estimated to have 8.94 grams of carbohydrates. d. Food items with 338.8 calories are estimated to have 8.94 grams of carbohydrates. e. Food items with 0 grams of carbohydrates are estimated to have 8.94 calories.
Seventy-six Starbucks food items were analyzed for the calorie and carbohydrate content. We
used linear regression to explore the relationship between the number of calories and amount
of carbohydrates (in grams) Starbucks food menu items contain. The estimated regression
equation with carbohydrates as the response variable and the calories as the explanatory
variable is ŷ = 8.94 + 0.11x, and summary statistics of the two variables is provided below.
variable min
Q1 median
Q3
max
mean
sd
n missing
calories
80 300
350 420
500
338.8
105.4 77
carbohydrates
16
31
45
59
80
44.9
16.6 77
Transcribed Image Text:Seventy-six Starbucks food items were analyzed for the calorie and carbohydrate content. We used linear regression to explore the relationship between the number of calories and amount of carbohydrates (in grams) Starbucks food menu items contain. The estimated regression equation with carbohydrates as the response variable and the calories as the explanatory variable is ŷ = 8.94 + 0.11x, and summary statistics of the two variables is provided below. variable min Q1 median Q3 max mean sd n missing calories 80 300 350 420 500 338.8 105.4 77 carbohydrates 16 31 45 59 80 44.9 16.6 77
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