I need help with this question please! Thank you!

Statistics
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IN two separate studies, the actual difference between the means of a treated group and an untreated group is 3 points. However, in one study, the σm1-m2 is very large and so the 3 points is not found to be significant. In the other study, the σm1 - m2 is very small and so the 3 points is found to be be significant. What might have caused this big difference in the σm1-m2 for the two studies?

Jun 1st, 2015

or occur due to type I or type II error

the variability of data to be true we accept the null hypothesis of 3 points and that is type I error or we accept the false expression of small or large values >/<3 as null hypothesis known type II error

Jun 1st, 2015

ARE YOU SURE THIS IS 100% CORRECT?


Jun 1st, 2015

yes, this case study where you either accept or reject the null hypothesis(3 points)

Jun 1st, 2015

Thank You!

Jun 1st, 2015

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