Selecting a Sample

So what exactly is a random sample? The 15th part in a series of 25 introduces the class to the idea of selecting samples. The teacher leads a discussion about the idea of convenient samples and random samples. Pupils use a random sampling technique to compare the lengths of the words in a poem to a sample they think is random.

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CCSS: Designed
Instructional Ideas

  • Have the class come up with ways to collect a sample
  • Use a different method to sample the words in the poem and compare the results
Classroom Considerations

  • Prepare the sampling technique with two bags, one with numbers 1-29 and one with numbers 1-20
Pros

  • Includes the poem needed in the lesson
  • Contains sample answers to discussion questions
Cons

  • None
Common Core