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The inventor of the chi-square test was:
Economy
An economy is an area of the production, distribution, and trade, as well as consumption of goods and services by different agents, structured within a community or geographical area.
Demand
The volume of a commodity or service that purchasers are prepared and can afford to buy across various price points within a designated timeframe.
Supply
The total amount of a good or service that is available for purchase at various prices in a given market.
Economy
A system of production, distribution, and consumption of goods and services in a particular geographic region.
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