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The variance shows the skewness of a probability distribution.
Price Indexes
Price indexes are statistical measures that reflect the average change in prices over time of a basket of goods and services, used to gauge inflation or deflation in an economy.
Nominal GDP
The total value, in current market prices, of all the final goods and services generated within a country's borders over a certain time period.
Real GDP
Real GDP, which adjusts for price changes to offer a true measure of an economy's overall size and its growth trajectory.
Base-Year Prices
Prices of goods and services from a specific base year, used to calculate real values and remove the effect of inflation over time.
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