A researcher is wanting to test the hypothesis that beta blockers will lower blo

Question

A researcher is wanting to test the hypothesis that beta blockers will lower blood pressure more than standard deviations from the mean. The researcher should use a one-tailed test : true or false? A researcher is wanting to test the hypothesis that beta blockers will lower blood pressure more than standard deviations from the mean. The researcher should use a one-tailed test : true or false? A researcher is wanting to test the hypothesis that beta blockers will lower blood pressure more than standard deviations from the mean. The researcher should use a one-tailed test : true or false?

Explanation / Answer

yes true we use one tailed test

because it will test the significant mean is greater than or less than x

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