GCSE How Science works quiz

Do you know your definitions of reliability, accuracy and precision? Take the test to find out

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What do we call results from an experiment which is close to the "true value?"
Accurate
1 of 8
How can we improve precise results in an experiment?
Repeat the experiment in exactly the same way each time
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What do we mean by "reliable" results?
results which can be reproduced by others following the same procedure
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What is the difference between Accurate and Precise data?
Accurate results are close to the true value, Precise results are those which have very little spread around the mean value
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What is Systematic Error?
Method is carried out consistently but an error is being repeated
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How do we keep a Valid experiment?
Make sure other variables are controlled, otherwise we won't know what has been responsible for the outcome
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If the independant variable is categoric and the Dependant variable is continuous, how would be display our results
Bar Chart
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What is a discrete variable?
One that is described in whole numbers (eg number of leaves on a plant)
8 of 8

Other cards in this set

Card 2

Front

How can we improve precise results in an experiment?

Back

Repeat the experiment in exactly the same way each time

Card 3

Front

What do we mean by "reliable" results?

Back

Preview of the front of card 3

Card 4

Front

What is the difference between Accurate and Precise data?

Back

Preview of the front of card 4

Card 5

Front

What is Systematic Error?

Back

Preview of the front of card 5
View more cards

Comments

Kieran Patel

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hard but good

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