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VERIFICATION: The hypothesis-testing step of the scientific method. Once an hypothesis is derived from a theory, it must be compared with real world data. This is the verification step. This verification can lead to support or refutation of the hypothesis. Enough support enables a hypothesis to become a principle. Refutation calls into question the theory implying the hypothesis.

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MARGINAL REVENUE, PERFECT COMPETITION

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a perfectly competitive firm equates marginal revenue and marginal cost.

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ORANGE REBELOON
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Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either a pair of blue silicon oven mitts or a coffee cup commemorating the 2000 Olympics. Be on the lookout for telephone calls from former employers.
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
"Anyone who has never made a mistake has never tried anything new. "

-- Albert Einstein, physicist

ANOVA
Analysis of Variance
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