Understanding Sampling Methods
This worksheet introduces grade 6 students to different sampling methods used in statistics, helping them understand how to collect representative data.
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Understanding Sampling Methods
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Read each question carefully and answer to the best of your ability. This worksheet will help you understand different ways to collect data, called sampling methods.
1. A is a small group chosen from a larger group to represent the whole group.
2. The larger group from which a sample is taken is called the .
3. When every member of a population has an equal chance of being selected, it's called a sample.
4. A sample that does not accurately represent the population is called a sample.
5. Which of the following is an example of a random sample?
Asking only your friends who they will vote for.
Picking names out of a hat to choose a team captain.
Surveying only people who agree with you.
Asking the first five people you see at the mall.
6. Why is it important to have a representative sample?
It makes the survey faster to complete.
It ensures the results are accurate for the whole population.
It only includes people who agree with the survey's purpose.
It is cheaper to collect data from a representative sample.
7. A convenience sample is always the best way to get accurate results.
True
False
8. Random sampling helps reduce bias in data collection.
True
False
9. A teacher wants to know the favorite color of students in her school. She asks all the students in her class. Is this a good sampling method? Why or why not?
10. Describe a situation where using a random sample would be important. Explain your reasoning.