Question

Sex of offender Sex of Victim Male Female 3,760 450 Female 1.590 140 Source: US Department of Justice, Expanded Homicide Data, Table 6, 2011 Treating sex of offender as the independent variable, how many errors of prediction 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? Combine your answers in (a) and (b) to calculate lambda. Discuss the relationship between these two variables. 4. Which lambda is stronger, the one for sex of offenders/victims or rice of offenders victims (Exercise 5)? Earlier in this chapter, we reviewed Inman and Mayes' (1999) research on first-generation college students. They also examined the relationship between student race and first- pelication college status. Based on their data, test whether race is independent of first generation college status (alpha = .01). Student Race First- Generation College Status Native American Total White Black Asian American 6 1.910 Hispanic 19 25 102 119 1.742 2,300 41 45 Nontists 2.603 22 2,392

question a, b, c, d

Answer 1

Pg.NO:-1 Solutions Given that :- → Analysis of Abenders and victims a vident calme Sox of Hendes Male formate Secte de lectår male 3,760 450 fernale 1,590 140 Department of Justice. → Treating sex af stender as independent douable, prediction will made independent vociable goded Abendes male tolas female color victim male 3760 4450 female 4a10 140 11730 1590 total Dowd 5350 590 15940 » et = numbes do seda In total frequency → Total row (male) - 5350 Total show (female) = 590

n = 5350 +590 Por = SA 40 e = na modal trequency wheee, modal frequency = 5350 = 5940 - 5350 590 Tie, - 590 tewee esion will independent valable taken an account Ca = ei tea = total now 1- modal trequency do sow! where, total now! = 4010 modal frequency of slowl= 3760 e91 4210 - 3760 = 450 1:0 21 = 450 lead = total now a modal frequency of sowa] where,

Pg. Noir 3 total sowat 1930 modal frequency a rowd = 1590 ega - 1730 - 1590 140 ed =140 ex = tena 3 450 +140 590 Q = 540 Calculate the Lambda do (a) and (6) - relationship between two variables | Lambia = (el-es) lei where, el 590 e2 = 590 - (590-590)/540 .. lambda zo > range o to 1 Ad close » 1 2ndicates relationship a strong relationship

P.No: 4 → : No relationship between the lambda and victims lambda is stronges for sex of ebendens grace a obtenders and victions Independent variable Po o →