Homework Answers
Answer: Option A:
Z
EXPLANATION:
Z-test can be used in hypothesis testing of means when the population's standard deviation is known, thus Z-critical value can be used here. The t-test is used when the population's standard deviation is unknown and the sample size is <=30. F test is used when we are dealing with the effects of various treatments over the population samples and Q test deals with finding the statistical outliers in the dataset.
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