Bar Charts Flashcards
What is a pictogram
Uses symbols to represent the data
What do pictograms need
Keys
What do comparative bar charts do
Compare two or more sets of data at once to easily compare them
What type of data should you use when using pictograms or bar charts
Qualitative or discrete
What type of data do you use in composite bar charts
Qualitative and discrete data
What does a composite bar chart show
The categories in the dtaa
What is a composite bar chat
A sing bar is split into sections which show the frequencies for different categories
The percentages aren’t added just stacked on top of eachother
Adv of composite bar charts
Easier to read off total frequencies and it’s simpler to look at than data in a big table
Disadvantages of composite bar charts
Lots of categories so can be difficult to compare
