Class 11 NCERT • Statistics for Economics (New Syllabus)
Economics Ch 07: Index Numbers
Select a topic or study module below to explore the meaning of index numbers, wholesale price index, consumer price index, inflation tracking, simple and weighted aggregative methods, Laspeyres, Paasche, and Fisher ideal indices, and comprehensive textbook problem solutions.
Topic 01 • Index Numbers Basics
Exploring Barometers of Economic Activity, Measuring Relative Changes, and Price Level Indicators
Topic 02 • WPI, CPI & IIP
Analyzing Wholesale Price Index, Consumer Price Index (Cost of Living), and Index of Industrial Production
Topic 03 • Construction Challenges
Studying Selection of Base Period, Normal Years, Collection of Data, and Choice of Average Formulae
Topic 04 • Unweighted Indices
Investigating Simple Aggregative Formulae, Unit Bias Problems, Price Relatives, and Arithmetic Means
Topic 05 • Laspeyres & Paasche
Examining Base Year Weights, Current Year Weights, Upward and Downward Bias Considerations
Topic 06 • Fisher Ideal Index
Analyzing Geometric Mean of Laspeyres and Paasche, Time Reversal Test, and Factor Reversal Test
Topic 07 • Deflation & Limitations
Studying Deflating Real Income, Purchasing Power of Money, Sampling Errors, and Quality Changes
Module 08 • Solutions & Quiz