Practice Random Sampling (2.6.3) - Collection of Data

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8 questions

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6 sample questions

Question 1.
Define random sampling.
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Think about how a lottery works.
Question 2.
What is a non-random sample?
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Consider how friends might be chosen for a study.
3Question 3.
What is the main benefit of random sampling?
- It is inexpensive.
- It eliminates bias.
- It is easier to gather data.
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Think about how choices can influence research results.
4Question 4.
True or False: Non-random sampling gives every individual an equal chance to be selected.
- True
- False
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Consider how non-random choices are made.
Question 5.
You are tasked with researching the average spending of households in your city. Describe how you would use random sampling to gather your data.
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Consider factors like household size and area representation.
Question 6.
Discuss how sampling bias could affect the results of a public opinion poll. What measures would you take to minimize this bias?
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What groups should be considered to ensure you have a balanced representation?

4 more questions in this section. Enroll free to practise them all.