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Compute descriptive statistics for both Original and Transformed variables.

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 pre-test, then participates in six sessions using the tutor, then is given a parallel post-test. 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 menu systems, request descriptive statistics (mean, s.d. and variance) for both your original variables ("pre" & "post") and your new transformed variables W0 & W1.  Once more, PASTE your commands.  SAVE and print out the syntax file and turn it in with your assignment.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920807

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