Question 5 10 Points Use The Mean Difference And Standard Error Of The Difference You Calculated In Q3 To Find The Po 1 (15.17 KiB) Viewed 23 times
Question 5 10 Points Use The Mean Difference And Standard Error Of The Difference You Calculated In Q3 To Find The Po 2 (19.89 KiB) Viewed 23 times
Question 5. (10 points) Use the mean difference and standard error of the difference you calculated in Q3 to find the power of the two- sample t-test to find significance at the .05 level. Was the test adequately powered? Explain why or why not. (see the lecture for equations)
# So when : working For mai X X₂ $ + NA រ N. * , I 2 = mean of the samples. Sig S₂ = Stand and deviation of the som ples NE, N2 sample size Given = 4.02 X : 4.42 ် = 0 + 0 7 S2 = 0.60 NA = 24 N2 = 46 putting the values in the Form mais 1.02 - 1.42 0-36 0.0042 + 24 -0.4 0.0002 + - 6225 0-0227 + = -0.4 0.15 + --2.67 Ans
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