Nutritional Content: Starbucks & Dunkin Donuts
Eunyque Sykes, Thao Nguyen, and Mariel Rice
Overview
This case study examines the nutritional content in the food and beverages served at Starbucks and Dunkin Donuts. The study shows data collected from the menus of each establishment. Data about the calorie, fat, carbohydrate, protein and fiber content of 20 items from each store was collected. Ten beverages and ten food items were chosen and recorded.
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Questions to Answer
Based on the data collected, which store overall serves healthier food and beverages?
Exercises
1. Make a scatterplot of Starbucks food and beverages comparing their calorie content and fat content.
2. Make a scatterplot of Dunkin Donuts' food and beverages comparing their calorie count and carb content.
3. Make a scatterplot of Dunkin Donuts and Starbucks food and beverages comparing their calorie content and carb content.
4. Make two side-by-side boxplots of the protein content in Dunkin Donuts food and beverages vs. Starbucks food and beverages
5. Make two side-by-side boxplots of the calorie content in Dunkin Donuts food and beverages vs. Starbucks food and beverages.
6. Make two side-by-side boxplots of the fat content of Dunkin Donuts beverages and food vs. Starbucks beverages and food.
7. True or False: without the outlier, the boxplot for Dunkin Donuts is approximately symmetric
Answer: False
Answer: False
8. What is the correlation between the the calorie count and carb content within these two stores?
Answer: 0.07891643
Answer: 0.07891643
9. How does the calorie count and fat content in Starbucks food and beverages compare to Dunkin Donuts food and beverages?
Answer: Dunkin Donuts has higher calories and fat in both graphs.
Answer: Dunkin Donuts has higher calories and fat in both graphs.
10. Based on all these graphs, where would it be healthier to eat? Why?
Answer: It would be healthier to eat at Starbucks. Their food and beverages contain lower calorie and fat , while high in proteins.
Answer: It would be healthier to eat at Starbucks. Their food and beverages contain lower calorie and fat , while high in proteins.
References
"Dunkin' Donuts Logo." - Fonts In Use. Web. 06 May 2014.
"Menu." DunkinDonuts.com. Web. 06 May 2014.
"Nutrition." Starbucks Coffee Company. Web. 07 May 2014.
"Starbucks Logo." http://images.wikia.com/coffee/images/archive/7/74/20101112233800!Starbucks_logo.png
"Menu." DunkinDonuts.com. Web. 06 May 2014.
"Nutrition." Starbucks Coffee Company. Web. 07 May 2014.
"Starbucks Logo." http://images.wikia.com/coffee/images/archive/7/74/20101112233800!Starbucks_logo.png