Mathematics
Fill in the blanks in the following table:
| Class Interval | Frequency | Cumulative Frequency |
|---|---|---|
| 25 - 34 | …………… | 15 |
| 35 - 44 | …………… | 28 |
| 45 - 54 | 21 | …………… |
| 55 - 64 | 16 | …………… |
| 65 - 74 | 73 | |
| 75 - 84 | 12 | …………… |
Statistics
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Answer
| Class Interval | Frequency | Cumulative Frequency |
|---|---|---|
| 25 - 34 | 15 | 15 |
| 35 - 44 | 28 - 15 =13 | 28 |
| 45 - 54 | 21 | 15 + 13 + 21 = 49 |
| 55 - 64 | 16 | 15 + 13 + 21 + 16 = 65 |
| 65 - 74 | 73 - 65 = 8 | 73 |
| 75 - 84 | 12 | 15 + 13 + 21 + 16 + 8 + 12 = 85 |
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