You want to test whether a blood pressure medication actually works. You give it to a sample of n = 30 patients. From looking it up in the medical research, you know that the general population has average systolic blood pressure of μ = 120 mm Hg and a standard deviation systolic blood pressure of σ = 20 mm Hg. What kind of hypothesis test should you do?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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You want to test whether a blood pressure medication actually works. You give it to a sample of n = 30 patients. From looking it up in the medical research, you know that the general population has average systolic blood pressure of μ = 120 mm Hg and a standard deviation systolic blood pressure of σ = 20 mm Hg. What kind of hypothesis test should you do?

  1. One-Sample z-test

  2. One-Sample t-test

  3. Independent-Samples t-test

  4. Related-Samples t-test

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