The simplest kind of information we’ll work with in this course is a set of individuals with one or more properties, called variables. The individuals are the items in the data set and can be cases, things, people, etc. When we construct a table, we want to think about whether we have more individuals or more variables. We’ll usually put whichever we have more of down the side of the table, so that the table is taller rather than wider.
Read MoreBar graphs and pie charts can both be used to represent the same set of data. Pie charts will work better for some data sets, but bar graphs will work better for others.
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