Examlex
Which of the following statements about the trends in juvenile delinquency in the U.S.is NOT true?
Normal Distribution
A statistical distribution where data is symmetrically distributed around the mean, with most observations clustering around the center and fewer observations the further away they are from the mean.
Observational Studies
A study where the researcher observes and records behavior without manipulating the environment or conditions.
Experiments
A procedure undertaken to test a hypothesis, typically involving the manipulation of variables to observe the effect on some behavior or condition.
Sample
A subset of individuals or observations drawn from a population used for statistical analysis, intended to represent the population from which it is drawn.
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