What are index numbers used for in statistics?

Index numbers measure changes in the magnitude of a group of related variables, providing an overall indication of trends.

Fill in the blanks: The Simple Aggregative Method for constructing index numbers uses the formula P₀₁ = ΣP₁ / ΣP₀, where ΣP₁ represents the ___ and ΣP₀ represents the ___.

Sum of prices in the current year; sum of prices in the base year

True or False: In the Simple Average of Price Relatives Method, price relatives are calculated for each commodity and averaged to find the price index number.

True

What is the primary difference between the Simple Aggregative Method and the Simple Average of Price Relatives Method?

The Simple Aggregative Method calculates the index by using total prices of commodities, while the Simple Average of Price Relatives Method uses the average of individual price relatives.

Riddle: I am a statistical tool that helps you understand trends in prices. What am I?

An index number.

What is the main purpose of using index numbers in economics?

Fill in the blank: According to Croxton and Cowden, index numbers are methods of measuring differences in the ___ of a set of related variables.

Magnitude

Short Answer: What does P₀₁ represent in the context of index numbers?

P₀₁ represents the price index of the current year.

What is the primary purpose of the Wholesale Price Index (WPI)?

To track price trends that reflect the demand and supply of goods in manufacturing, construction, and industry.

The Index of Industrial Production (IIP) is published by the ___ and measures the performance of various ___ sectors.

Central Statistical Organisation (CSO); industrial

True or False: The WPI focuses primarily on goods purchased by consumers.

False; the WPI focuses on goods traded between corporations.

Riddle: I measure the performance of industries month by month, reflecting changes in production, what am I?

Index of Industrial Production (IIP)

Fill in the blank: The Weighted Average of Price Relative Method involves dividing the weighted sum of the price relatives by the total sum of the ___.

Weights

What method involves assigning different weights to goods according to the quantity bought?

Weighted Aggregative Method

True or False: The Consumer Price Index (CPI) is primarily used to track wholesale price changes.

False; the CPI tracks price changes for goods and services purchased by consumers.

The Wholesale Price Index reflects price changes in a basket of goods primarily traded in ___ rather than those purchased by ___.

Wholesale markets; consumers

What is the significance of the Index of Industrial Production (IIP) in economic analysis?

Riddle: I help economists understand inflation by tracking price changes of goods, what am I?

Wholesale Price Index (WPI)

The SENSEX is primarily composed of how many companies, and what type of companies are they?

The SENSEX is composed of 30 companies, which are established and financially sound blue-chip companies.

The Human Development Index (HDI) measures three key aspects: access to education, standard of living, and ___?

Good health and longevity.

True or False: The SENSEX represents the performance of all companies listed on the Bombay Stock Exchange.

False. The SENSEX only represents 30 selected companies, not all listed companies.

Fill in the blank: The SENSEX is a ___-float, market capitalization-weighted index.

Free

What is the primary purpose of the Human Development Index (HDI)?

To gauge the impact of development on the quality of life for humans.

Riddle: I measure development through education, health, and wealth. What am I?

The Human Development Index (HDI).

The SENSEX is an indicator of the ___ in the Indian stock market.

Movements