Comprehensive Data Analysis Applications
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
Compare Class A (mean=78) to Class B (mean=82). Which performed better on average?
📘 Worked solution
✓Class B.
And one from the hard end
"A study of 200 students finds y=5x+55 (x=study hours, y=exam score) with moderate positive correlation. (a) Predict the score for 6 hours/week. (b) Why might this not be accurate for any individual student? (c) Suggest one additional variable that might also affect scores."
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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