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6 Cards in this Set
- Front
- Back
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Hypothesis Test |
Used to prove or disprove a theory or claim by comparing two or more samples or comparing a single sample to a define value. |
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Hypothesis Testing 5 Steps |
Determine what to compare and assume no difference Decide how much risk of being wrong is acceptable Use data to calculate a test statistic Compare the test statistic to a critical test statistic Make a decision by comparing p-vale to accepted risk value |
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Null Hypothesis |
Statement of no change or difference Cannot be proved only rejected |
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Alternative Hypotheses |
Statement of change or difference Challenges the null hypothesis |
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Type I Error |
Reject a null when it is true false positive (producers risk). |
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Type II error |
Fail to reject a null hypothesis when it is false. False negative (consumer risk). |
