A comprehensive study of juvenile delinquency is conducted in every state-run reform school in Australia. A scale called the Antisocial Beliefs Scale is given to all juvenile delinquents. The mean (μ) of the scale is 60 and the standard deviation (σ) is 6.
Assuming that the scores are normally distributed, what PERCENTAGE of the population falls between 68 and 56?
1 answer
See my message for your last post.
1 answer