Answer:
C. a year chosen as a reference for prices in all other years.
Explanation:
Base year in the consumer price index (CPI) is a year chosen as a reference for prices in all other years.
Consumer Price Index (CPI) is a measure that is used to determine the weighted average of prices of a quantity of consumer goods and services.
Changes in the consumer price index helps to determine price changes associated with the cost of living. The consumer price index is one of the most frequently used statistics for identifying periods of inflation or deflation in an economy.
The formula used to calculate consumer price index for a product
= cost of purchasing the product in the given year ÷ cost of purchasing the product in the base year ×100
The base year or period refers to reference point in time iseda for comparison with other years or periods. It is used to measure financial and economic data.
period is a point in time used as a reference point for comparison with other periods. It is generally used as a benchmark for measuring financial or economic data.
