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Author Question: A drug for treating depression patients is evaluated for effectiveness. Three treatment options ... (Read 110 times)

xxxxxxxxxxxx

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on: Feb 26, 2023

Question 1

\(\style{font-family:Times New Roman;}{\overline x}\) is the:

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second average of theith sample.


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average value of the second sample.


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second population mean.


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second weighted sample average.



Question 2

A drug for treating depression patients is evaluated for effectiveness. Three treatment options exist: 20 mg, 10 mg, and placebo (20, 10, P). Twelve patients are randomly assigned to provide 4 patients for each level. The change in score from a common test designed to quantify depression was recorded for each patient. The ANOVA summary from the test appears below:

​

SourcedfSSMSFp
Factor2228.17114.0834.810.000
Error929.503.28

Total11257.67


​

Does it appear that the drug might be effective in changing depression level? Select the appropriate conclusion and reasoning.


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No, the drug does not appear to have an effect on depression level because the test statistic is so large.


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Yes, the drug (or perhaps the placebo) appears to have an effect on depression level because thep-value is essentially zero.


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No, the drug does not appear to have an effect on depression level because thep-value is essentially zero.


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The test is inconclusive and needs a multiple comparison of means procedure to be able to make any statement concerning the relationship between the drug/placebo and depression.

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
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Marked as best answer by xxxxxxxxxxxx on Feb 26, 2023

rika06@comcast.net

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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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xxxxxxxxxxxx

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Reply 2 on: Feb 26, 2023
Excellent

alexanderhamilton

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Reply 3 on: Yesterday
Gracias!

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