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## Statistics

find out the contrasts W0 and W1

An educational study uses a simple pre-post design to assess the efficacy of a computer tutor for solving inequalities.  Twelve pilot students participate.  Each student is given a pretest, then participates in six sessions using the tutor, then is given a parallel posttest. The data are as follows:

 Subj. pre post 1 10 13 2 11 6 3 9 18 4 13 17 5 8 14 6 7 11 7 4 8 8 13 18 9 10 12 10 17 20 11 5 9 12 9 16 13 12 12 14 7 13

Compute the contrasts W0 and W1 using COMPUTE statements. prepare these syntax commands yourself or use the menu system then PASTE them into the syntax window.

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M922405

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