If a test of significance results in a critical value that is three standard deviations from the mean, what can a researcher conclude?
A) The results of the study most likely occurred by chance.
B) The results of the study are statistically significant.
C) The results of the study are inconclusive.
D) The results of the study show evidence of sampling error.

Question

Quizplus · Accepted Answer

A critical value that is three standard deviations from the mean typically corresponds to a significance level of 0.01 or 0.001, indicating that the results are statistically significant and unlikely to have occurred by chance.

If a Test of Significance Results in a Critical Value