Question

3. The Department of Justice has released the following information as it relates to sex offences: Male Victim; Male Offender - 3,760 Female Victim; Female Offender - 140 Male Victim; Female Offender-450 Female Victim; Male Offender - 1,590 a) Calculate the chi-sq for this data and using the 5-step model, determine whether there is a relationship between the gender of the offender and the gender of victim b) If the sex of the offender is the independent variable, how many errors of prediction will be made if the independent variable is ignored? c) How many fewer errors will be made if the independent variable is taken into account? d) Calculate lambda and discuss the relationship between these two variables.

Please display the complete process of how you calculated your solution, for better understanding. Thank you!

Answer 1

Answar Efoor data 5ex af offendeY Tota! 5cxoVictm Female Male 4-2lo Male 4 50 3160 Female 159o 140 5940 Total 590 5350 (b) Constder Sex of offendor a5 fndependent ortable the modal euoncy the Viotim Vortable (Compartng 535o Vs 590 bigga Colum tabals -the one that ts beComes the modal (hawanlbet pre dretton wher the Independeot Vanable freqpency n otal - 59 40 -5 350 = 5350 5?o 590 59 40 c) Jf the Sen of the offonder fs the Independe nt ontable faken foto account Ao Crrovs Pedrotron . to tal Tow - moda! = 4-alo - 3 760

total Caa to hauanbut opo 1730 -1590 С29 3 140 590 45o 40 (d) lambda - ( с,- 59o 590 590 lambela nanges om o to 1 weak, and fher the elationshp to Sthrong C losc to 1 mdrcates the nelatronship lationshtp betuwcen the Vonrables Sex offendo and Sex f Urctm.