You are a clinical psychologist treating a depressedadolescent. In order to unde

Question

You are a clinical psychologist treating a depressedadolescent. In order to understand whether or not yourtreatment is effective, you want to be able to compare howdepressed your patient is to the average person. To do so,you give your patient a scale that measures depression. According to the testing company that created this scale, theaverage depression score is a 200 with a standard deviation of 30,where lower scores mean less depressed. You believe that youare successful in treating your patient's depression if he is lessdepressed than 30% of the population. Your patient scored a245 on the depression test. According to your criteria, wasyour treatment for depression successful? Just need the statistical test, not the number crunching You are a clinical psychologist treating a depressedadolescent. In order to understand whether or not yourtreatment is effective, you want to be able to compare howdepressed your patient is to the average person. To do so,you give your patient a scale that measures depression. According to the testing company that created this scale, theaverage depression score is a 200 with a standard deviation of 30,where lower scores mean less depressed. You believe that youare successful in treating your patient's depression if he is lessdepressed than 30% of the population. Your patient scored a245 on the depression test. According to your criteria, wasyour treatment for depression successful? Just need the statistical test, not the number crunching

Explanation / Answer

you would use a one variable z test, because you are given thepopulation standard deviation, and the population mean. You areusing this info to determine if there is a significant differencebetween the mean and the average of your sample. please rate

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