Determine the mean and identify the mode(s) for data sets, and explain what each indicates
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
Find the mean of 4, 6, 8.
📘 Worked solution
✓(4+6+8)÷3 = 18÷3 = 6.
And one from the hard end
Set C: 65, 70, 75, 80, 85 (mean=75, no mode). Set D: 55, 75, 75, 75, 95 (mean=75, mode=75). Which statement best compares their spread and mode?
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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