Psychologists have made extensive studies on the relationship between child abuse and later criminal behavior. Consider a study that consisted of the follow-ups of 52 boys who were abused in their preschool years and 67 boys who were not abused. The data of the number of criminal offenses of those boys in their teens yielded the following summary statistics.

Is the mean number of criminal offenses significantly higher for the abused group than that for the non abused group? Answer by calculating the P-value.

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Abused Nonabused Mean Standard deviation1.94 1.57 1.31 2.48