STAB22H3 Lecture Notes - Breakfast Cereal, Pie Chart, Bar Chart
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STAB22H3 Full Course Notes
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Ie. each case falls under one category (5) It is categorical data in the sense that a single person answering this survey can give one of those 5 answers available. How do attitudes change form 1991 to 2001. Can be viewed best using side-by-side bar chart when compared to using single bar chart, or pie chart. If you look at current lecture notes, we are missing from [11] - [22] for this lecture. This is b/c he added these slides the following lecture, after he realized that he rushed chapter (see lec03 notes) Ex. calories for that cereal (in cal) Ex. amt of nutrient x in that cereal (in g) Ex. score of 500 (this qvar score really has arbitrary units being points) So it could have categories (ok, awesome, average etc. ) Opinion with regards to a particular cereal. Variables have val"s that are quantities (#"s of stuff) , and have units.
