Pie Chart
Observations
There are 8 total combinations.
Piechart consists of the possible combinations of Trip Route, Passholder Type, and Plan Duration
Plan Duration & Passholder Type are equal.
Pie Chart
Inferences
Plan Duration & Passholder Type are equivalent, both categories possess the same quantitative data, which is why this piechart's data is similar to the piechart data of Passholder Type & Trip Route.