Descriptive statistics for original-transformed variables

Reference no: EM1320184

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

Using the menu systems, request descriptive statistics (mean, s.d. and variance) for both your original variables ("pre" & "post") and your new transformed variables W0 & W1. Again, PASTE your commands. SAVE and print out the syntax file and turn it in with your assignment.

Reference no: EM1320184

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