Question 27

A health care professional wants to determine whether individuals with hypertension who take Atenololhave significantly lower systolic blood pressure than individuals with hypertension who do not take Atenolol. For individuals who have not been prescribed Atenolol, the population systolic blood pressure mean is 165 (= 165) with a standard deviation of 6.The sample of30 individuals who take Atenololhave an average (mean) systolic blood pressure of 147.On the basis of these data, can the researcher conclude that the Atenololsignificantly lowers systolic blood pressure?Set alpha equal to .01.

The best conclusion for this example (based on your answer to Q26) would be:

There is no significant difference in systolic blood pressure when comparing people who take Atenolol to the general population of people who do not take Atenolol.

There is a significant difference in systolic blood pressure when comparing people who take Atenolol to the general population of people who do not take Atenolol.

People taking Atenolol did not experience a significantly lower systolic blood pressure when compared to the general population of people who do not take Atenolol.

People taking Atenololexperienceda significantlyhighersystolic blood pressure when compared to the general population of people who do not take Atenolol.