Population and Sample Worksheet
Explore the concepts of population and sample with this Grade 7 math worksheet, including identification, analysis, and application.
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Population and Sample Worksheet
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Read each question carefully and answer to the best of your ability. Identify populations and samples, and explain your reasoning.
1. A researcher wants to know the average height of all students in a large school district. They measure the height of 100 randomly selected students. What is the population in this study?
The 100 randomly selected students
All students in the large school district
The average height of the 100 students
The researcher
2. In the same study, what is the sample?
The 100 randomly selected students
All students in the large school district
The average height of the 100 students
The researcher
3. A is the entire group of individuals or objects about which information is desired.
4. A is a part of the population that is actually examined in order to gather information.
5. A factory produces light bulbs. To check the quality, a supervisor inspects 50 light bulbs from a batch of 5000. Identify the population and the sample in this scenario.
Population:
Sample:
6. It is always practical to study an entire population.
True
False
7. A good sample should accurately represent the characteristics of the population.
True
False
8. A grocery store owner wants to know the preferred brand of milk among their customers. They ask every 10th customer who enters the store on a specific day. Describe the population and the sample in this study. Is this a good way to get a representative sample? Explain why or why not.