STATISTICS LECTURE WK 1 (RECAP)

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What is the definition of a p value?
The probability that the results from your sample data occurred by chance.
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When would you choose to run a paired samples t-test?
If you have two measurements on the same item, person or thing
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What is the most common form of t-test?
Independent samples t-test
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Lizzie wants to visualise the relationship between the scores of two variables. What should she use?
A scatterplot
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The p-value is the probability of a certain kind of sample occurring assuming the null hypothesis. True or false?
True
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Donald was really unlucky and drew an extreme sample by chance. He then incorrectly rejected the null hypothesis. What is this an example of?
Type 1 error
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Donald drew his sample from a population that really does have an effect, but he did not find a sufficiently extreme sample and therefore failed to reject the null hypothesis, What is this an example of?
Type 2 error
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Other cards in this set

Card 2

Front

When would you choose to run a paired samples t-test?

Back

If you have two measurements on the same item, person or thing

Card 3

Front

What is the most common form of t-test?

Back

Preview of the front of card 3

Card 4

Front

Lizzie wants to visualise the relationship between the scores of two variables. What should she use?

Back

Preview of the front of card 4

Card 5

Front

The p-value is the probability of a certain kind of sample occurring assuming the null hypothesis. True or false?

Back

Preview of the front of card 5
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