Means and Data Tables

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Last updated 1:34 AM on 6/10/26
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10 Terms

1
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What is a mean?

The average of a set of results.

2
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Formula for mean?

Mean = Total of results ÷ Number of results.

3
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Why do scientists calculate a mean?

To improve reliability.

4
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Why do scientists repeat trials?

To check if results are consistent.

5
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What is reliability?

Getting similar results when an experiment is repeated.

6
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What should a good data table include?

A title, headings, units, and results.

7
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Calculate the mean: 4, 6, 8

6

8
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Calculate the mean: 10, 12, 14

12

9
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Calculate the mean: 5, 7, 9

7

10
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What should you do before dividing to find the mean?

Add all the results together.