= Index numbers
{wiki=Index_numbers}
Index numbers are statistical measures designed to represent the relative change in a variable or a group of variables over time or between different groups. They are widely used in economics and finance to compare the performance of different economic indicators and to analyze trends. Here are some key aspects of index numbers: 1. **Purpose**: Index numbers help in understanding how certain values have changed relative to a base value over a specific period. They simplify complex data and allow for easy comparison.
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