Essentials Of Statistics
Essentials Of Statistics
4th Edition
ISBN: 9781305093836
Author: HEALEY, Joseph F.
Publisher: Cengage Learning,
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Chapter 3, Problem 3.12P

SW Compute the median and mean for both the pretest and posttest for the test scores first presented in problem 2.6 and reproduced here. 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 5 7
J 15 12
K 13 20
L 4 5
M 10 15
N 8 11
O 12 20
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