John Rejected His Null Hypothesis in a Right-Tailed Test for a Mean

question 92

Multiple Choice

John rejected his null hypothesis in a right-tailed test for a mean at α = .025 because his critical t value was 2.000 and his calculated t value was 2.345. We can be sure that:

• A)John did not commit a Type I error.
• B)John did not commit a Type II error.
• C)John committed neither a Type I nor Type II error.
• D)John committed both a Type I and a Type II error.

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