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Differnce & Mean Difference of scores

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Calculate the difference scores for the following data from a repeated-measures study.

Subject--Treatment#1--Treatment#2-- Difference Scores

A 34 44 _________?
B 41 39 _________ ?
C 30 45 _________ ?
D 21 30 _________ ?

Find MD for these data.
MD = _______?

Provide the difference scores for subject A, B, C, D and MD=____

treatment #1 = 34,41,30,21
treatment #2 = 44,39,45,30

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The solution provides step-by-step method for the calculation of difference of scores and mean difference.

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