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7 Cards in this Set
- Front
- Back
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Decision Errors
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Type 1 and Type 2
5% chance we’re making the wrong decision |
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Type I error
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Rejecting the null when the null is true
i.e. False positive |
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Type II error
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Failing to reject the null when the null is false
i.e. False negative |
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What is the relationship between Type I and Type II errors?
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As one increases the other decreases
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Alpha
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Probability of making Type I error, same as significance level (.05 or .01)
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Beta
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Probability of making Type II error
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Can you know if you have made either a type one or type two error
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No, only the probability that you did not
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