Confidence Intervals: Difference of Two Means
AP Statistics · Flashcards
AP STATISTICS · FLASHCARDS
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QUESTION
Identify the condition of random sampling in hypothesis testing.
QUESTION
What is the formula for
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SE( \bar{x}_1 - \bar{x}_2 )
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under unequal variances?
QUESTION
What does independence of samples imply in hypothesis testing?
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ANSWER
Samples are drawn separately. No overlap or influence between the two sample groups.
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