Two-Variable Data and Correlation
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
What does a scatter plot show?
📘 Worked solution
✓The relationship between two variables, with each point a paired data point (x,y).
And one from the hard end
A line of best fit is y=4x+10. Predict y when x=7.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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