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January 31, 2015

January 31, 2015

Posted by **ash** on Wednesday, February 18, 2009 at 2:44pm.

A. We can infer that the samples come from two different populations at the end of the study.

B. We can assume that the two groups had identical means and standard deviations at the beginning of the study.

C. The probability that the two groups came from the same population was less than 5%.

D. There is about a 1 in 20 chance that the researcher is incorrectly inferring that the two groups, post-intervention, belong to different populations.

- stats multiple choice ? -
**Damon**, Wednesday, February 18, 2009 at 2:47pmWell, you did not give any other choices but if you chose A I suspect you are correct.

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