භරිත සමාහාර දර්ශකාංක | Weighted Aggregate Indices
Автор: STAT with Nuwan
Загружено: 2025-12-03
Просмотров: 138
In this lesson, we explore Weighted Aggregate Indices, one of the most important methods used in constructing index numbers when prices or quantities carry different levels of importance.
You will learn how weights are assigned, how to compute weighted aggregate price indices, and why this method is more realistic than simple aggregate indices.
This video is perfect for A/L Business Statistics students, university learners, and researchers who want a clear understanding of index number construction.
🔍 What You Will Learn:
✔️ Meaning and importance of Weighted Aggregate Indices
✔️ Why weighting is necessary
✔️ Formula and step-by-step calculations
✔️ Laspeyres, Paasche, and other weighted index methods (conceptual overview)
✔️ Practical examples with full explanations
✔️ Advantages and limitations of weighted indices
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