11.10 Foa, Rothbaum, Riggs, and Murdock (1991) conducted astudy evaluating four mm R types of therapy for rape victims. The Stress inoculation therapy (SIT) group Tecei structions on coping with stress. The Prolonged exposure (PE) group went over the in their minds repeatedly. The Supportive counseling (SC) group was tauahta Problem-solving technique. Finally, the Waiting list (WL) control group received apy. The data follow, where the dependent variable was the severity rating ofas symptoms. Group 二 Mean 。。SD, 2二WEB SIT 14 11.07 99 PPE 10 15.40 11.12 SC 1 18.09 沁恰 WL 10 19.50 全 生Run the analysis of variance, ignoring any problems with heterogeneity of and draw whatever conclusions are warranted, [0 Apply Welch's procedure for heterogeneous variances. Does this affe concJusions? e Draw agraph showing the means ofthe four 蟬oups d_What does rejection of 蕊 mean in this case?