Rejecting the null hypothesis at the .05 level means that
A)there is more than a 5% chance of getting such an extreme result if the null hypothesis is true.
B)there is more than a 95% chance of getting such an extreme result if the research hypothesis is true.
C)there is less than a 5% chance of getting such an extreme result if the null hypothesis is true.
D)there is less than a 95% chance of getting such an extreme result if the research hypothesis is true.

Question

Quizplus · Accepted Answer

Rejecting the null hypothesis at the .05 level means that there is less than a 5% chance of getting such an extreme result if the null hypothesis is true. This is the definition of the level of significance, also known as the alpha level, which is typically set at .05 in social science research. If the p-value is less than .05, then the result is considered statistically significant, indicating that the null hypothesis is unlikely to be true.

Rejecting the Null Hypothesis at the