Question
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?
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?