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Mission Control: Sample Briefing

Use space-camp simulation samples to estimate population counts and means, compare estimates, and evaluate sampling decisions.

Grade 7MathInteractive · Printable

Aligned to7.SP.A.2

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
14 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 7
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer

About this worksheet

What students practice

Students use random sample proportions and means to estimate population characteristics.
Students compare repeated random samples to describe variation and evaluate estimates.
Students explain why selecting records by their results can weaken a population inference.

How to use

Have students work through the mission records and mark calculations beside each estimate. Discuss why random samples can differ before students complete the final reasoning task.

Curriculum

Common Core standard covered

7.SP.A.2

Use data from a random sample to make inferences about a population, and compare several samples to see how estimates vary.

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Name Date

Mission Control: Sample Briefing

Use random samples to plan a space-camp mission simulation.

Estimate Support Needs

Use the random sample to make estimates, not exact predictions. Each recorded request belongs to exactly one category.

Space-camp staff recorded 960 support requests during a mission simulation. They randomly selected 60 requests from the full record. All 960 requests had an equal chance of selection.