Does the rate of serious mental illness among substance abusers vary according to the type of substance
Question:
Does the rate of serious mental illness among substance abusers vary according to the type of substance abused? To find out, a psychiatrist collected data on the mental health of a random sample of substance abusers: drug abusers, alcohol abusers, and abusers of both drugs and alcohol. His results were as follows:
Using chi-square, test the null hypothesis that the prevalence of serious mental illness does not differ by type of substance abuse.
Transcribed Image Text:
Mental Illness? Yes No Drugs 12 31 Substance Abused Alcohol 8 33 Drugs and Alcohol 16 35
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Solution The null hypothesis test states that the antic...View the full answer
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Related Book For
Elementary Statistics In Social Research
ISBN: 9780205845484
12th Edition
Authors: Jack A. Levin, James Alan Fox, David R. Forde
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