Question: MULTIPLE CHOICE 3 When is the dependent means/groups t-test used? (A) When the data are nominal scale and the population standard deviation is unknown. O

MULTIPLE CHOICE 3

When is the dependent means/groups t-test used? (A) When the data are nominal scale and the population standard deviation is unknown. O B) When comparing a single sample mean to a known or estimated population mean. C) All answers are correct. OD) When comparing two groups where subjects are matched on one or more variables related to the dependent variable

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