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Question
Exhibit7-2
In order to evaluate a graduate program in psychology, a decision is made to compare the scores of the recent graduates on the national licensure exam to scores nationally. The internal consistency reliability of the test = .84. The program therefore follows up with their students and finds 24 students who have taken the exam in its most recent form. The scores of the students in the program are as follows:
| 140 | 135 | 141 | 142 | 122 | 142 |
| 142 | 119 | 168 | 157 | 156 | 132 |
| 164 | 157 | 147 | 156 | 136 | 149 |
| 138 | 142 | 138 | 137 | 142 | 154 |
Given information:
Mean = 144; Median = 142; Mode = 142; Range = 50
Refer to Exhibit 7-2. A graduate psychology student has a 3.65 GPA, where the psychology program's mean is 3.6 and SD is .1. Faculty have found a .60 correlation between students' GPA and their national licensure exam publisher score (M = 150, SD = 20). Knowing our students GPA, we could predict her score to fall in what range on the national licensure exam 68 percent of the time?
Answer
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