Question: For the test scores first presented in problem 2.6 and reproduced here, compute a median and mean for both the pretest and posttest. Interpret these

For the test scores first presented in problem 2.6 and reproduced here, compute a median and mean for both the pretest and posttest. Interpret these statistics.

Case Pretest Posttest A 8 12 B 7 13 C 10 12 D 15 19 E 10 8 F 10 17 G 3 12 H 10 11 I 57 J 15 12 K 13 20 L45 M 10 15 N 8 11 O 12 20

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