Commerce Exam > Commerce Videos > Class 11 Economics in 60 secs > Price Relatives & Weighted Price Relatives | Index Numbers - Part 7
Price Relatives & Weighted Price Relatives - Index Numbers - Part 7 Video
FAQs on Price Relatives & Weighted Price Relatives - Index Numbers - Part 7
| 1. What are price relatives in the context of index numbers? |  |
Ans. Price relatives are a way to express the price of a commodity in relation to its price in a base period. They are calculated by taking the current price of a commodity, dividing it by the base period price, and then multiplying by 100 to express it as a percentage. This measure helps in analysing price changes over time for various commodities.
| 2. How are weighted price relatives different from simple price relatives? | |
Ans. Weighted price relatives take into account the significance or importance of different commodities in a given index. Unlike simple price relatives, which treat all commodities equally, weighted price relatives assign weights based on factors such as consumption patterns or market share. This provides a more accurate representation of overall price changes in an index.
| 3. Why are index numbers important in commerce? | |
Ans. Index numbers are crucial in commerce as they provide a means to measure and compare economic changes over time, such as inflation, cost of living, and production levels. They help businesses and policymakers make informed decisions by reflecting trends and patterns in economic data, facilitating better planning and resource allocation.
| 4. What is the formula for calculating a simple price index? | |
Ans. The formula for calculating a simple price index is: Price Index = (Sum of current prices / Sum of base prices) × 100. This index shows the relative change in prices of commodities over a specific period, indicating how much prices have increased or decreased compared to the base period.
| 5. In what scenarios would one prefer using weighted price relatives over simple price relatives? | |
Ans. One would prefer using weighted price relatives over simple price relatives when dealing with a diverse range of commodities that have different levels of consumption or significance in the market. This is particularly useful in national economic analysis, where certain goods may have a larger impact on overall price changes due to their higher consumption rates, thus providing a more realistic view of price movements.
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Apr 19, 2026 Last updated
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Video Description: Price Relatives & Weighted Price Relatives | Index Numbers - Part 7 for Commerce 2026 is part of Class 11 Economics in 60 secs preparation. The notes and questions for Price Relatives & Weighted Price Relatives | Index Numbers - Part 7 have been prepared according to the Commerce exam syllabus. Information about Price Relatives & Weighted Price Relatives | Index Numbers - Part 7 covers all important topics for Commerce 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Price Relatives & Weighted Price Relatives | Index Numbers - Part 7.
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