Analyse data in stacked-bar graphs and misleading graphs, challenge preconceived notions, and make convincing arguments and informed decisions
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
In a stacked-bar graph, which part of each bar shows the total for that group?
📘 Worked solution
✓The full height of the entire bar (top to bottom) represents the total of all its stacked categories combined.
And one from the hard end
A stacked-bar graph shows an unusually large increase in one category for one year. What argument could you make about this data point?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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