Two-Variable Data and Correlation
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
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
"Ice cream sales (y, hundreds of $) vs. temperature (x, °C): y=4x−20. Predict sales at 30°C, and explain what the slope represents."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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