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5 Cards in this Set
- Front
- Back
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Directional hypothesis |
-predict change of direction -critical region established on only one tail e.g. one tailed test |
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Non-directional |
-Do not predict change of direction -critical region established e.g. two tailed test |
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one tailed test |
-indicates probability in one tail e.g. if x=0.05%, 5% in one tail |
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two tailed test |
x/2 to indicate probability in each tail e.g. 0.05=0.025 in each tail |
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degrees of freedom |
-components that are free to vary within a system - mean |
