Analyse data sets in scatter plots 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
A scatter plot shows a strong positive relationship between the number of firefighters at a fire and the amount of damage. Do more firefighters cause more damage?
📘 Worked solution
✓No — larger fires require more firefighters and cause more damage; fire size is a confounding variable behind both.
And one from the hard end
A scatter plot shows an outlier that doesn't fit the overall trend. What argument could you make about investigating it further?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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