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Paper 1Statistical Techniques6 marks
A grouped frequency distribution is given with class intervals and frequencies.
Data Table
Grouped Frequency Distribution
Estimate the standard deviation for the grouped data.
| Class Interval | Frequency |
|---|---|
| 0-10 | 3 |
| 10-20 | 7 |
| 20-30 | 5 |
| 30-40 | 2 |
- a[6]
Calculate Estimate the standard deviation for the grouped frequency distribution.
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