Explain the importance of sampling techniques for collecting a representative sample
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
Which of these samples would best represent the opinions of an entire school?
📘 Worked solution
✓A random mix of students from every grade is most likely to reflect the whole school's opinions, since it doesn't leave any group out.
And one from the hard end
What is random sampling, and why is it useful?
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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