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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The following are scores on two IQ tests of 12 university students. One of the tests was taken before the student had a course in statistics, and the other was taken after.
|
Student |
IQ score before course |
IQ score after course |
|
1 |
104 |
111 |
|
2 |
125 |
120 |
|
3 |
127 |
138 |
|
4 |
102 |
113 |
|
5 |
140 |
142 |
|
6 |
122 |
130 |
|
7 |
118 |
114 |
|
8 |
110 |
121 |
|
9 |
126 |
135 |
|
10 |
138 |
145 |
|
11 |
116 |
118 |
|
12 |
125 |
125 |
Use these data to test the hypothesis that a student’s score on an IQ test will not tend to be any different after the student takes a statistics course. Use the 5 percent level of significance.
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