Descriptive Statisticsmedium
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Use this cumulative frequency table:
| Exam Score | Cumulative Relative Frequency |
|---|---|
| Below 50 | 0.10 |
| Below 60 | 0.28 |
| Below 70 | 0.55 |
| Below 80 | 0.82 |
| Below 90 | 0.95 |
| Below 100 | 1.00 |
Using linear interpolation, what percentile rank corresponds to a score of 65?
Use this cumulative frequency table:
| Exam Score | Cumulative Relative Frequency | |---|---| | Below 50 | 0.10 | | Below 60 | 0.28 | | Below 70 | 0.55 | | Below 80 | 0.82 | | Below 90 | 0.95 | | Below 100 | 1.00 |
Using linear interpolation, what percentile rank corresponds to a score of 65?