experiment/practical skills and knowledge

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aqa gcse

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8 Terms

1
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What does it mean when an experiment is repeatable?

If the original experimenter repeats the investigation they get the same results

2
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What does it mean when an experiment is reproducible?

If another person repeats the investigation they get the same results

3
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What does it mean if results are precise?

There’s very little spread about them

4
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What does it mean if results are accurate?

How close they are to the true value

5
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What is categoric data?

Data where the variables are labels e.g. red, rough, short

6
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What data do you use a bar chart for?

Categoric data

7
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What is continuous data?

Numerical data that can have a value within any range e.g. time, height, weight

8
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What data do you use a line graph for?

Continuous data