Sampling Methods (Grade 9)
Free printable Grade 9 worksheet on sampling methods and how representative a sample is.
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Grade 9 · Math worksheet
Name
Date
Math
Statistics: Sampling Methods
Answer each question about sampling methods and representativeness.
- 1.Why can a convenience sample give a biased result?
- 2.Why does a bigger random sample usually give a more reliable estimate than a smaller one?
- 3.What is a 'convenience sample'?
- 4.If a survey only samples people in one suburb, what is the risk in applying its results to a whole city?
- 5.Why do statisticians usually study a sample instead of the whole population?
- 6.What does it mean for a sample to be 'representative'?
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