John rejected his null hypothesis in a right-tailed test for a mean at = .025 be
ID: 3382288 • Letter: J
Question
John rejected his null hypothesis in a right-tailed test for a mean at = .025 because his critical t value was 2.000 and his calculated t value was 2.345. We can be sure that:
John committed both Type I and Type II error.
John committed neither Type I nor Type II error.
John did not commit Type I error.
John did not commit Type II error.
a.John committed both Type I and Type II error.
b.John committed neither Type I nor Type II error.
c.John did not commit Type I error.
d.John did not commit Type II error.
Explanation / Answer
A type I error can only occur when you rejected the null hypothesis.
A type II error can only occur when you did not reject the null hypothesis.
Thus, here,
OPTION D: John did not commit Type II error. [answer, D]
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