The three-dimensional contingency table shown is from a study of the effects of racial characteristics on whether or not individuals convicted of homicide receive the death penalty. The subjects classified were defendants in indictments involving cases with multiple murders in Florida between 1976 and 1987.

Source: Data from M. L. Radelet and G. L. Pierce, Florida Law Rev. , vol. 43, 1991, pp. 1€“34.
a. Based on the percentages shown, controlling for victims€™ race, for which defendant€™s race was the death penalty more likely?
b. Let y = death penalty verdict ( 1 = yes, 0 = no ), let d be an indicator variable for defendant€™s race (1 = white, 0 = black ), and let v be an indicator variable for victims€™ race (1 = white, 0 = black ). The logistic regression prediction equation is

According to this equation, for which of the four groups is the death penalty most likely? Explain your answer.

Transcribed Image Text:

Death penalty verdict by defendant's race and victims' race Defendant's Race White Victims Death Penalty Percent Yes 53 Race White Black White Black 414 16 37 139 es 11.3 0.0 22.9 2.8 0 Black 4 -3.596-0.868d+2.404v 1 e-3.596-0.8684+2.404