Grade 4 Math · Probability

Predict and test whether the mean, median, and mode(s) of a data set from one population will be the same for a different population

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.

Start the 10 questions Curriculum: G4-D2.2

Sample: the first question, solved

Class A's mean score is 80. Would you expect Class B (a similar-sized class) to have a mean score close to 80?

📘 Worked solution
Yes, it's reasonable to predict a similar mean, though it's not guaranteed.

And one from the hard end

Explain why the mean, median, AND mode might all differ between two same-sized populations, even if some are close or identical.

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