Wednesday
April 16, 2014

Homework Help: Statistics

Posted by Samantha on Thursday, November 21, 2013 at 6:40pm.

The effectiveness of a headache medicine is tested by measuring the intensity of a headache in patients before and after drug treatment. The data consist of before and after intensities for each patient.
Identify the design of the study.

A) Paired t-test
B) Two-sample t-test
C) one sample t-test of a mean
D) one sample z-test of a proportion

B?

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