Identify situations involving one-variable data and situations involving two-variable data, and explain when each type is needed
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
Is studying only the number of pets owned by each student in a class (without comparing to anything else) one-variable or two-variable data?
📘 Worked solution
✓One-variable — you're only measuring a single characteristic (number of pets) with no second variable to compare it against.
And one from the hard end
When would you use one-variable data (like studying only test scores)?
Solution shown after you try it in practice mode.
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