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Author Question: Researchers wish to test the effectiveness of a drug designed to treat depression. Seven clinically ... (Read 88 times)

tspaw0811

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on: Feb 26, 2023
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.


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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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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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tspaw0811

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Reply 2 on: Feb 26, 2023
Wow, this really help

frankwu0507

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Reply 3 on: Yesterday
Gracias!

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