SW A local youth service agency has begun a sex education program for teenage girls who have been referred by the juvenile courts. The girls were given a 20-item test for general knowledge about sex, contraception, and anatomy and physiology upon admission to the program and again after completion of the program. The score of the first 15 girls to complete the program are as follows.
Case | Pretest | Posttest | Case | Pretest | Posttest |
A B C D E F G H |
8 7 10 15 10 10 3 10 |
12 13 12 19 8 17 12 11 |
I J K L M N O |
5 15 13 4 10 8 12 |
7 12 20 5 15 11 20 |
Construct frequency distributions for the pretest and posttest scores. Include a column for percentages. (HINT: There were 20 items on the test, so the maximum
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