Term
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Definition
Can be used to test the difference between two population means when a large sample (at least 30) is randomly selected from each population and samples are independent. |
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Term
T-test for small, independent distribution properties: |
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Definition
1) The samples must be randomly selected. 2) The samples must be independent. 3) Each population must have a normal distribution . |
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Term
Difference between proportions using a z-test properties. |
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Definition
1) The samples must be randomly selected. 2) they must be independent. And 3) they must be large enough to use a normal sampling distribution - np > 5, nq > 5 |
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Term
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Definition
A sample selected from one population is not related to the sample selected from a second population. |
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Term
Dependent Sample (Paired or Matched Samples) |
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Definition
Each member of one sample corresponds to a member of the other sample. |
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