# Consider the data from Exercise 11.7.3 in which the drugs ticrynafen (T) and hydrochlorothiazide (H) were compared.

## Question:

If the two drugs have equal effects on blood pressure, then T might be preferable because it has fewer side effects.

(a) Construct a 95% confidence interval for the difference between the drugs (with respect to mean blood pressure reduction), averaged over the two dosage levels.

(b) Interpret the confidence interval from part (a) in the context of this setting.

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**Related Book For**

## Statistics For The Life Sciences

**ISBN:** 9780321989581

5th Edition

**Authors:** Myra Samuels, Jeffrey Witmer, Andrew Schaffner