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We want to examine the relationship between sex offenders and victims of violent crime. In the following table, U.S. Department of Justice 2011 data for the sex of offenders and the sex of victims are reported. Sex of Offender Sex of Offender Sex of Victim Male Female Male 3760 450 Female 1590 140 a. Treating sex of offender as the independent variable, how many errors of predictions will be made if the independent variable is ignored? b. How many fewer errors will be made if the independent variable is taken into account? Answer: Considering the sex of the offender to predict sex of the victim, we would make errors. For male offenders, we would make errors and for the female offenders, we would make errors. c. Calculate lambda. Our calculated lambda is . Information about sex of the offender reduces our error in predicting the sex of the victim by %.
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