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Table 11.1 Sample Test Statistics Number of items 100 Number of examinees 92 Mean 75.4 Median 77 Low score 52 High score 93 Alpha 0.754
| Table 11.1 Sample Test Statistics | |
|---|---|
| Number of items | 100 |
| Number of examinees | 92 |
| Mean | 75.4 |
| Median | 77 |
| Low score | 52 |
| High score | 93 |
| Alpha | 0.754 |
| Standard deviation | 7.7 |
| Standard error of measurement (SEM) | 3.8 |
| Mean p value | 0.754 |
| Mean point biserial index (PBI) | 0.36 |
what is reliability and is the test based on information on the chart above reliable?
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Calculus Early Transcendentals
Authors: William L. Briggs, Lyle Cochran, Bernard Gillett
2nd edition
321954428, 321954424, 978-0321947345
