question archive A clinical psychologist has developed a new measure for assessing alcohol abuse
A clinical psychologist has developed a new measure for assessing alcohol abuse
Subject:PsychologyPrice: Bought3
A clinical psychologist has developed a new measure for assessing alcohol abuse. In a normal (non-clinical) sample, he found that his measure had a mean equal to 85 and a standard deviation equal to 15.
1)Identify the scores at the 25th, 75th, and 95th percentiles.
2)What percentage of cases falls below a score of 74?
3)What percentage of cases falls between scores of 78 and 102?
4)Based on his measure, the clinical psychologist decided that scores at or above the 85th percentile should be considered potential alcohol abusers. Which score corresponds to this cut-off?
