Question 6.133

6.133 Signifcant.

When asked to explain the meaning of “statistically signifcant at the level,” a student says, “This means there is only probability 0.05 that the null hypothesis is true.” Is this a correct explanation of statistical significance? Explain your answer.

6.133

This student is wrong. means there is a 5% chance that we will incorrectly reject the null hypothesis.