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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. Considering the fact that all tests have error, what is this individual's standard score (publisher score; M = 150, SD = 20) 95 percent of the time?
Answer
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