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Q2) In the following table (A), FBI 2012 data for violent crimes is reported by sex of offenders and the sex of victims. a) What is the independent variable? sex of offender b) How many errors of prediction will be made if the independent variable is ignored? 5940-5360 = 580. c) How many fewer errors will be made if the independent variable is taken into account?

Q2) In the following table (A), FBI 2012 data for violent crimes is reported by sex of offenders and the sex of victims. a) What is the independent variable? sex of offender b) How many errors of prediction will be made if the independent variable is ignored? 5940-5360 = 580. c) How many fewer errors will be made if the independent variable is taken into account?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I had a question on how to calculate the E1 and E2 in lambda and how to answer Q2. parts b and c. I'm confused on which is which and how to calculate each. 

Q2) In the following table (A), FBI 2012 data for violent crimes is reported by sex of offenders and the sex of victims. a) What is the independent variable? sex of offender b) How many errors of prediction will be made if the independent variable is ignored? 5940 - 5360 - 580 c) How many fewer errors will be made if the independent variable is taken into account? d) Calculate lambda. Interpret the result. e) Calculate Lambda for Table B comparing sex of victim vs race (Table B). Interpret the result. f) Which relationship is stronger: the one for sex of offenders/victims or race of offenders/victims? Table A Sex of Victim Male Female Total Sex of Offender Male 1600 3760 5360 Female 140 440 580 Total 1740 4200 5940
Transcribed Image Text:Q2) In the following table (A), FBI 2012 data for violent crimes is reported by sex of offenders and the sex of victims. a) What is the independent variable? sex of offender b) How many errors of prediction will be made if the independent variable is ignored? 5940 - 5360 - 580 c) How many fewer errors will be made if the independent variable is taken into account? d) Calculate lambda. Interpret the result. e) Calculate Lambda for Table B comparing sex of victim vs race (Table B). Interpret the result. f) Which relationship is stronger: the one for sex of offenders/victims or race of offenders/victims? Table A Sex of Victim Male Female Total Sex of Offender Male 1600 3760 5360 Female 140 440 580 Total 1740 4200 5940
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