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Home Q & A Board Science-Related Homework Help Psychology
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tethead tethead
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7 years ago
The main difference between a Z score and a t score is that
A) t scores are used when a study is analyzed with a one-tailed test.
B) t scores are used only when inferences are made about other samples.
C) t scores are used when the population variance is unknown.
D) t scores are used only when the sample size is greater than 30.
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aeLiaLaeLiaL
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7 years ago
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