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Statistics Exam 2
review terms for PSY 221 exam 2
13
Psychology
Undergraduate 2
10/09/2007

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Cards

Term
mutually exclusive
Definition
two events are mutually exclusive when the occurrence of one precludes the occurrence of the other
Term
one tail tests predict the _____ of the effect and are more likely to result in ________ of Ho.
Definition
direction; rejection
Term
sampling distribution of the mean
Definition
repeatedly sample from a population and form a distribution of sample means
Term
the probability of a Type II error is _______.
Definition
Beta
Term
the larger the standard error:
Definition
the more variability there is in the set of sample means
Term
power
Definition
probability of correctly rejecting the null
Term
committing Type II error even tho null hypothesis is FALSE
Definition
Beta
Term
probability committing Type II error even tho null hypothesis is true?
Definition
Term
telling someone he has a disease when he does not is what error?
Definition
Type I error
Term
telling someone to go home and take an aspirin when in fact he needs immediate treatment is what error?
Definition
Type II
Term
convicting an innocent woman of a crime is an example of what error?
Definition
Type I error
Term
Letting a guilty woman go free is an example of what error?
Definition
Type II error
Term
central limit theorem
Definition
the theorem that specifies the nature of the sampling distribution of the mean.
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