Comprehensive Data Organization 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
Which is the main benefit of organizing 50 raw survey responses into a frequency table?
📘 Worked solution
✓Grouping repeated values into counts makes common values and patterns visible at a glance instead of buried in a raw list.
And one from the hard end
80 households: mean annual spending=$42,000, SD=$9,000, median=$38,000. Describe the likely distribution shape, then find the z-score for a household spending $69,000.
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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