STAT 3010 Lecture Notes - Lecture 18: Quaker Oats Company, Nabisco, Carbohydrate
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Figure 7.1 displays a boxplot of complex carbohydrates in cereals by manufacturer. The boxplot
for Kellogg’s and General Mills both have data that is for the most part evenly spread out. The
data for complex carbohydrates in Post and Quaker Oats are evenly distributed but their data is
more compressed than General Mills and Kellogg’s. Nabisco doesn’t have as nice of an evenly
distributed data set as General Mills, Kellogg’s, Post or Quaker Oats. Nabisco’s data also
displays that each serving of their cereal has 15 or more grams of complex carbohydrates
except for the outlier of 5 grams of complex carbohydrates per serving. Nabisco’s data is higher
than most of the other cereal manufacturers except for Ralston Purina. Ralston Purina’s data
shows that each serving of cereal from their manufacturers has 16 grams of complex
carbohydrates. From the boxplot in Figure 7.1 we can see that Kellogg’s has the most spread
out data of complex carbohydrates per serving of cereal while Ralston Purina has the least
spread out data with only 16 grams of complex carbohydrates per serving of cereal.