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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. Use the national mean of 134 and national standard deviation of 19.0. If an individual received a raw score of 142, what is his or her standard score (publisher score) on the national test if the mean and standard deviation of the publisher score was 150 and 20 respectively?
Answer
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