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Question
In which type of sampling does every element in the population have a known, nonzero probability of selection?a. absolute sampling
b. relative sampling
c. nonprobability sampling
d. probability sampling
Answer
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Related questions
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The independent samples t-test tests the differences between means taken from two independent samples or groups.
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In a study comparing the means of two groups in which there are 45 males in Group 1 and 37 females in Group 2, the degrees of freedom for this study when using the t-test for the difference between means is:
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b. 80
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In using the t-test to compare the means of two groups, the degrees of freedom are calculated as _____.
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