Question
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The t test for the difference between the means of 2 independent...
The t test for the difference between the means of 2 independent populations when standard deviations are unknown assumes that the
A. samples are randomly and independently drawn
B. population variances are equal
C. populations are approximately normal or sample sizes are greater than 30
D. All of the above
Answer & Explanation
Solved by verified expertAnswered by dyruskibet44 on coursehero.com
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Step-by-step explanation
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sectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a
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