Question: Note : Decide fi rst whether data are quantitative or qualitative. Unless mentioned otherwise, no assumption has been seriously vi olated, and therefore the appro priate test should be selected from among t , F , or c2 tests. Specify the precise form of the test. For example, specify that the t test is for two population means with related samples, or that the c2 test is for two variables, or that the F test is for repeated measures.

An investigator wishes to determine whether, for a random sample of drug addicts, the mean score on the depression scale of a personality test differs from that which, according to the test documentation, represents the mean score for the general population.

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