Welcome to the Quiz!

This quiz contains 4 questions from a mix of 1 subtopics.

What does 'sample size' mean? 

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1

What does it mean for a sample to be representative? 

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1

What does it mean for a sample to be biased? 


Give 2 ways it can be avoided.

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3

Does using random sampling increase or decrease bias?

Decrease bias

Increase bias

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1