When the Population Standard Deviations Are Equal but Unknown, a Test

question 60

Short Answer

When the population standard deviations are equal but unknown, a test for the differences between two populations assumes that the populations are _____________ distributed.

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Definitions:

Building Material

Building material refers to any substance used in the construction of buildings, such as wood, concrete, metal, or glass.

Restraint On Trade

A practice that limits competition or obstructs free trade among businesses.

Hair Salon

A business establishment where clients receive professional hair cutting, styling, and possibly other cosmetic services.

Contract Clause

A provision found in the U.S. Constitution that prohibits states from enacting laws that retroactively impair contract rights.