Correlation and the Correlation Coefficient
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 the "correlation coefficient" (r) measure?
📘 Worked solution
✓The strength and direction of the linear relationship between two variables.
And one from the hard end
What does r=0 indicate?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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