Compute the appropriate t-test.
Compute the appropriate t-test.
Education researchers were interested in whether the number of close friends changes between the time students enter college and the beginning of their second year of college. A sample of 12 (entering) first-year students was used to examine the question. Data for this sample are shown below.
Student #of friends at the Start of the yr.
A. 5
B 2
C 1
D 4
E 12
F 2
G 3
H 0
I 5
J 4
K 2
L. 3
#of friends at the start of 2nd yr.
4
3
3
6
13
10
5
2
3
7
6
5
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