Write and execute code involving the analysis of data in order to inform and communicate decisions
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
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
Monthly expenses for a year are 1200, 1350, 1100, 1400, 1250, 1300, 1150, 1500, 1050, 1400, 1250, 1300. What is the mean expense, rounded to the nearest dollar?
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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