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Using the data listed in Question 15,
In Q 15
Time 1 ______________ Time 2
4 ............................. 8
3 ............................. 2
5 ............................. 7
4 ............................. 6
6 ............................. 3
(a) Compute the mean difference (MD), standard deviation (sD), and standard error for the difference scores (sMD).
(b) Sketch a graph of the distribution of mean difference scores (MD ± sD).
(c) Sketch a graph of the sampling distribution of mean difference scores (MD ± sMD). |
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