What Determines the Decision of Whether to Use a One-Tailed

question 1

Multiple Choice

What determines the decision of whether to use a one-tailed test or a two-tailed test when testing hypotheses to make inferences about a population mean?

• A)the sample size and the estimated standard error
• B)the nature of the situation and what the researcher is trying to demonstrate
• C)the level of significance of the test
• D)the sample size relative to the population size
• E)the standard error relative to the sample variance

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Definitions:

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