When an experiment displays an outcome that is statistically significant at the .05 level, it means that
A)there is a 95 percent probability that the outcome was not a result of chance.
B)there is a 5 percent probability that the outcome was not a result of chance.
C)there is a 95 percent probability that the outcome was flawed.

Question

Quizplus · Accepted Answer

Statistical significance at the .05 level means there is a 5 percent chance (or less) that the observed results are due to random chance, implying a 95 percent confidence that the results are not due to chance.

When an Experiment Displays an Outcome That Is Statistically Significant