Question:

Please help me/two population means ?

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A large sample Z test for the difference between two population means does not require that the two populations be _________ distributed, but the t test applied to small samples requires that the two populations be _________ distributed.

a. normally, binomially

b. binomially, normally

c. normally, normally

d. binomially, binomially

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  1. See the source.

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