Write and execute code involving the analysis of data in order to inform and communicate decisions
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
A data set is [60,70,80,90]. What is the average?
📘 Worked solution
✓(60+70+80+90)÷4 = 75.
And one from the hard end
Write code that counts how many data points exceed a threshold, then uses that count to inform a decision.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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