Percentiles and Quartiles
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
What percentage of data values fall below the first quartile (Q1)?
📘 Worked solution
✓By definition Q1 marks the point below which about a quarter of the data lies.
And one from the hard end
A salary is at the 75th percentile of a company's pay scale. What does that mean?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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