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11 Cards in this Set

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what does this describe:

Your data may suggest you REJECT the null hypotheses when in fact you should not.
Type I error
If α is set to .05, you will be wrong ... times out of ... if you REJECT the null.
5
100
a Type I error is measured by ...
α
what does this describe:

Your data may suggest you should ACCEPT the null hypothesis, when in fact you should reject it.
Type II error
a TYPE II error is measured by ...
β
β is usually (x)α. So if α is .05, β is (y)
4
.20
(1- β) is called ... IT is the probability that you will correctly REJECT a NULL hypothesis. If α is .05, and β is .20, then the power is ... There is an ...% chance of finding a statistical difference if one really exists
POWER
.80
80
what is correct confidence? (in terms of α)
1-α
what is a type I error? (in terms of α)
α
what is a correct power? (in terms of β)
(1 – β)
what is a type II error? (in terms of β)
β