A health care professional wants to determine whether individuals with hypertension who take Systenol have significantly lower systolic blood pressure than individuals with hypertension who do not take it. For individuals who have not been prescribed Systenol, the population systolic blood pressure mean is 158 ( = 158).The 30 individuals who take Systenol have an average systolic blood pressure of 181, with asample standard deviationof 14.On the basis of these data, can the researcher conclude that the medication significantly lowers systolic blood pressure?(Use these numbers only for this question!)

Calculate the 95% confidence interval

As you know, two values will be required to complete the following equation:

_________ __________

For this question, what is the value that is below or less than ?