13. Drugs for Hypertension A drug company wishes to know if an experimental drug being tested in...

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13. Drugs for Hypertension A drug company wishes to know if an experimental drug being tested in its laboratories has any effect on systolic blood pressure. Fifteen randomly selected subjects were given the drug, and their systolic blood pressures (in millimeters) are recorded.

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a. Guess the value of s using the range approximation.

b. Calculate x and s for the 15 blood pressures.

c. Find two values, a and

b, such that at least 75% of the measurements fall between a and b.

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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