Explain the importance of sampling techniques for collecting a representative sample
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
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
Design a sampling plan for surveying student opinions on a new school policy, ensuring the sample represents the whole student body.
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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