SELECT ALL THAT APPLY. When testing a hypothesis, Z assumes ______, ______, or ______.

A. we are working with a population
B. we know the standard deviation of a population
C. we are working with a relatively large sample
D. we know the standard deviation of a sample


A. we are working with a population
B. we know the standard deviation of a population
C. we are working with a relatively large sample

Social Work & Human Services

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