PSY 230: Psychological Statistics and Measurement University of Arizona Fall 2017 Written Assignment

PSY 230: Psychological Statistics and Measurement University of Arizona Fall 2017 Written Assignment #1: Hypothesis Testing ***due on Wednesday, October 18 at 2:00 pm*** Overview Imagine that you are a psychologist who has invented a new medication (“Wildcatozine”) to treat peopl with depression. You predict that depressed individuals who take Wildcatozine will experience fewer depression symptoms than depressed individuals who do not take the medication, but now you need to test this hypothesis You recruit a sample ofn- 30 college students who have been diagnosed with depression, and give them all Wildcatozine. Several weeks later, you give all participants a questionnaire about their depression symptoms. This questionnaire gives each participant a depression score from 0 (not at all depressed) to 10 (extremely depressed) You may assume that this questionnaire has been widely-used previously with other depressed students As such, we know that the population of untreated depressed individuals has an average score () of 7.00 on th scale, with a standard deviation (o) of 2.50, and that this distribution is normally distributed. Data After several weeks of taking Wildcatozine, these are the depression scores reported by your sample: 4,7,6, 10, 6, 3, 8, 1, 5, 3,8, 2, 4,9,3, 9, 5,7, 10, 6,3,4,9,2,7,5, 6, 4,8,4

 

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