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A psychologist examined the effect of chronic alcohol abuse on memory
A psychologist examined the effect of chronic alcohol abuse on memory. In this experiment, a standardized memory test was used. Scores for this test for the general population form a normal distribution with µ = 50.00 and a σ = 6.00. A sample of n = 22 alcohol abusers has a mean score of 47.00. Is there evidence of memory impairment among alcoholics? Use α = .01 for a one tailed test.
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