For a certain set of observations grouped in equal class intervals of width 10
MATHEMATICS · Multi-part · CBSE · Mathematics · Statistics · Statistics
Problem
For a certain set of observations grouped in equal class intervals of width 10, the incomplete table below is obtained.| Class interval | 0–10 | 10–20 | 20–30 | 30–40 | 40–50 |
|---|---|---|---|---|---|
| Frequency | 12 | a | 25 | b | 18 |