Answered: A research study was conducted to…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 15PPS

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Question

A research study was conducted to examine the clinical efficacy of a new antidepressant. Depressed patients were randomly assigned to one of the three groups: a placebo group, a group that received a low dose of the drug, and a group that received a moderate dose of the drug. After one month of treatment, the patients completed the test and their inventory was recorded. The higher the score, the more depressed the patient. The data are presented below. Use excel to compute the appropriate test for this study.

Placebo	Low Dose	Moderate Dose
38	22	14
47	19	26
39	8	11
25	23	18

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