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Question
State the test of adequacy of index number
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Solution
Index numbers are studied to know the relative changes in price and quantity for any two years compared.
There are two tests which are used to test the adequacy of an index number.
The two tests are as follows:
(i) Time Reversal Test
(ii) Factory Reversal Test
APPEARS IN
RELATED QUESTIONS
______ : Base year prices :: P1 : Current year prices.
Features of index numbers:
- It is useful in framing suitable economic policies.
- It is useful to present financial data in real terms
- Index numbers are statistical devices.
- Index numbers are specialized averages.
Device that measures changes in an economic variable or a group of variables over a period of time –
Define Index Number
Mention the classification of Index Number
Explain Paasche’s price index number
Define family budget method
Compute (i) Laspeyre’s (ii) Paasche’s (iii) Fisher’s Index numbers for the 2010 from the following data.
| Commodity | Price | Quantity | ||
| 2000 | 2010 | 2000 | 2010 | |
| A | 12 | 14 | 18 | 16 |
| B | 15 | 16 | 20 | 15 |
| C | 14 | 15 | 24 | 20 |
| D | 12 | 12 | 29 | 23 |
Calculate the cost of living index by aggregate expenditure method:
| Commodity | Weight 2010 |
Price (Rs.) | |
| 2010 | 2015 | ||
| P | 80 | 22 | 25 |
| Q | 30 | 30 | 45 |
| R | 25 | 42 | 50 |
| S | 40 | 25 | 35 |
| T | 50 | 36 | 52 |
State with reasons whether you agree or disagree with the following statement:
Index number measures changes in the price level only.
