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Author Question: Researchers wish to test the effectiveness of a drug designed to treat depression. Seven clinically ... (Read 377 times)

tspaw0811

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Researchers wish to test the effectiveness of a drug designed to treat depression. Seven clinically depressed patients are given a standardized depression test before taking the drug and are evaluated 4 weeks later using the same test. It is known that the scores from this particular test are not normally distributed. The scores are shown here.

Patient1234567
Before139155125120140145150
After122150125120130150155

Use a sign test to conclude whether the drug can be associated with a median decrease in depression level. Choose the correctp-value and conclusion. (Useα= 0.05.)


p= 0.5000; there appears to be no median decrease in depression.


p= 0.8125; there appears to be no median decrease in depression.


p= 0.1875; there appears to be no median decrease in depression.


p= 0.1875; there appears to be a median decrease in depression.



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Marked as best answer by tspaw0811 on Feb 26, 2023

gwisel

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tspaw0811

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Reply 2 on: Feb 26, 2023
Excellent


miss_1456@hotmail.com

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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