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Type: Multiple-Choice
Category: Collecting and Interpreting Data
Level: Grade 7
Standards: 7.SP.A.1
Tags: 7.SP.A.1
Author: AaronBeaudoin
Last Modified: 6 years ago

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Collecting and Interpreting Data Question

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Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1

A team of researchers is trying to determine the amount of chemicals in a lake. Which of the samples below will produce the least accurate results?
  1. 3 water samples from the surface, and 1 from the lakebed
  2. 2 water samples from the surface, and 2 from the lakebed
  3. 4 water samples from the bottom of the lake
  4. 2 water samples from the east side, and 2 from the west