A researcher is testing the impact of exercise on stress levels and obtains a p-value of 0.04 with a significance level of 0.01. Evaluate the decision the researcher should make.
Understand the Problem
The question is asking for the appropriate decision a researcher should make regarding the null hypothesis based on a given p-value and significance level in a hypothesis test.
Answer
Fail to reject the null hypothesis.
The final answer is A. Fail to reject the null hypothesis because the p-value is greater than the significance level.
Answer for screen readers
The final answer is A. Fail to reject the null hypothesis because the p-value is greater than the significance level.
More Information
A p-value greater than the significance level indicates insufficient evidence to reject the null hypothesis. This means the result is not statistically significant at the given level.
Tips
A common mistake is to incorrectly reject the null hypothesis when the p-value is greater than the significance level.