Unit 8, Lesson 14, Grade 7 icon
Unit 8, Lesson 14

Sampling in a Fair Way

Open Up Resources 40 min(s)

Describe methods to obtain a random sample from a population. Students know that selecting a sample at random is usually a good way to get a representative sample. For the First Straw activity, prepare one paper bag containing straws cut to the specified lengths in the table for a demonstration. The demonstration will also require a ruler marked with inches to measure the straw pieces chosen in a sample.

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