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.

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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.

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