Statistics: Type I & II Errors, Null & Alternative Hypotheses, P-Values

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6 Terms

1
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what id type I error

rejecting the null hypothesis when its actually true

2
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what is type 2 error

failing to reject the hypothesis when its false

3
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What is the null hypothesis

The hypothesis that assumes no effect or difference

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What is the alternative hypothesis

The hypothesis that assumes an effect or difference exists

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What is alpha

:The probability of making a Type I error.

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What is a p-value?

The probability of observing an outcome at least as extreme as the data if Ho is true.