Collect data from primary and secondary sources to compare two or more sets of data, and organize it in frequency tables and stem-and-leaf plots
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
Is data from your own classroom survey a primary or secondary source?
📘 Worked solution
✓Primary.
And one from the hard end
Create a stem-and-leaf plot for: 23, 25, 31, 34, 38 (stems are the tens digit).
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
Your Winny Score tracks you as the questions ramp up. Stuck on one? A real Winny Math tutor will walk you through it — first lesson free.
Start practicing