Which of the Following Is True About T-Tests

question 8

Multiple Choice

Which of the following is true about t-tests?

• A) They are used when both the independent and dependent variable are nominal-level variables.
• B) They are used when the dependent variable is measured on an interval or ratio scale.
• C) They are robust to the violation of all assumptions as long as N is at least 30.
• D) They require measurements from people at least two points in time.

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