Economics · Ch 4 — Presentation of Data
Quantitative Classification
4.3.2
Quantitative Classification
Quantitative classification groups data by a characteristic that can be measured numerically — for example age, height, income or production.
The range of the measured characteristic is divided into classes, and each class is marked off by boundary values called class limits. An observation is then placed in whichever class its value falls into. …
Table 4.2Distribution of 542 respondents by age in an election study in Bihar
| Age group (yrs) | No. of respondents | Per cent |
|---|---|---|
| 20–30 | 3 | 0.55 |
| 30–40 | 61 | 11.25 |
| 40–50 | 132 | 24.35 |
| 50–60 | 153 | 28.24 |
| 60–70 | ? | ? |
| 70–80 | 51 | 9.41 |
| 80–90 | 2 | 0.37 |
| All | ? | 100.00 |
Source: Assembly election, Patna central constituency 2005, A.N. Sinha Institute of Social Studies, Patna. …