Grade 7 Math: Sampling Methods
Explore different sampling methods and their applications in data collection and analysis for Grade 7 mathematics.
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Sampling Methods Worksheet
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of different sampling methods.
1. Which of the following is a random sampling method where every member of the population has an equal chance of being selected?
Convenience sampling
Simple random sampling
Voluntary response sampling
Stratified sampling
2. A teacher wants to survey students' opinions on the new school cafeteria menu. She chooses the first 50 students who enter the cafeteria. What type of sampling method is this?
Systematic sampling
Cluster sampling
Convenience sampling
Simple random sampling
1. A biased sample accurately represents the entire population.
True
False
2. To conduct a systematic sample, you must first order the population.
True
False
1. A is a part of the population that is actually examined in order to gather information.
2. When every group of individuals has an equal chance of being selected, this is called sampling.
1. Explain the difference between a population and a sample.
2. Describe a scenario where convenience sampling might be used, and explain a potential bias of this method.
Match each sampling method with its description.
1. Simple Random Sampling
a. Dividing the population into subgroups and then taking a random sample from each subgroup.
2. Stratified Random Sampling
b. Every member of the population has an equal chance of being selected.
3. Systematic Sampling
c. Selecting every nth individual from a list.