Population and Sample Worksheet

Explore the concepts of population and sample with real-world examples and practice identifying and differentiating between them.

Grade 8 Math Probability and StatisticsPopulation and Sample

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Includes

Fill in the BlanksMultiple ChoiceTrue / FalseShort AnswerCustom

Standards

CCSS.MATH.CONTENT.7.SP.A.1CCSS.MATH.CONTENT.7.SP.A.2

Topics

populationsamplestatisticsdatamathgrade 8

7 sections · Free to use · Printable

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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 whether the given scenario describes a population or a sample, and explain your reasoning.

1. A is the entire group of individuals or objects that a researcher is interested in studying.

2. A is a subset of the population that is selected for study.

3. When every member of a population has an equal chance of being selected for a sample, it is called a sample.

1. A school principal wants to know the average height of all 8th-grade students in her school. She measures the height of 50 randomly selected 8th-grade students. What is the population in this scenario?

The 50 randomly selected 8th-grade students.

All the 8th-grade students in the school.

All students in the school.

The principal.

2. A light bulb manufacturer wants to test the lifespan of a new type of LED bulb. They select 100 bulbs from a production run of 10,000 bulbs and test them until they burn out. What is the sample in this scenario?

All 10,000 bulbs in the production run.

The 100 bulbs selected for testing.

The manufacturer.

The lifespan of the bulbs.

1. A sample is always larger than a population.

True

False

2. A well-chosen sample can provide accurate information about a population.

True

False

1. A researcher wants to study the reading habits of all teenagers in a particular city. She surveys 200 teenagers selected from different schools in the city. Identify the population and the sample in this study.

2. Explain why a sample is often used instead of a population when conducting research.

For each scenario, determine if the underlined group represents a population or a sample, and justify your answer.

1. A quality control manager inspects a batch of 1,000 cell phones. He randomly selects and tests 50 cell phones from the batch.

The underlined group (50 cell phones):

Justification:

2. A botanist studies the growth rate of all oak trees in a specific forest.

The underlined group (all oak trees in a specific forest):

Justification: