Question
Enumerate the cases for which personal interview method of data collection is suitable.
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Demand schedule for commodity- X of individual A and B is given in the following table. Derive the market demand schedule and market demand curve.
| Price of Commodity-X (₹) | Demand of A (Units) | Demand of B (Units) |
| 1 | 9 | 7 |
| 2 | 7 | 6 |
| 3 | 6 | 5 |
| 4 | 4 | 4 |
| 5 | 3 | 3 |
| Units of Labour | Total Product | Average Product | Marginal Product |
| 1 | 40 | - | - |
| 2 | - | - | 60 |
| 3 | - | - | 50 |
| 4 | 180 | - | - |
| 5 | - | 36 | - |
| 6 | - | - | -18 |