The median length of stay for substance-abuse outpatient treatment completers in 2004 was 107 days for those referred by the criminal justice system. The following data represent the length of stays for a random sample of substance-abuse outpatient treatment completers in 2004 who were referred by an employer. Using the Wilcoxon signed-ranks test at the a= 0.10 level of significance, does the median length of stay seem different for employer referrals than for those referred by the criminal justice system? 80 85 112 102 OYes O No 95 107 107 89 100 D 109 93 94 Using the Wilcoxon signed-ranks test at the a= 0.10 level of significance, does the median length of stay seem different for males and females?

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The median length of stay for substance-abuse outpatient treatment completers in 2004 was 107 days for those referred by the criminal justice system. The following data represent the length of stays for a random
sample of substance-abuse outpatient treatment completers in 2004 who were referred by an employer. Using the Wilcoxon signed-ranks test at the a= 0.10 level of significance, does the median length of stay seem
different for employer referrals than for those referred by the criminal justice system?
80
85
00
112
102
Yes
No
95 107 89 100 Q
107 109
93
94
Using the Wilcoxon signed-ranks test at the a= 0.10 level of significance, does the median length of stay seem different for males and females?
C
Transcribed Image Text:The median length of stay for substance-abuse outpatient treatment completers in 2004 was 107 days for those referred by the criminal justice system. The following data represent the length of stays for a random sample of substance-abuse outpatient treatment completers in 2004 who were referred by an employer. Using the Wilcoxon signed-ranks test at the a= 0.10 level of significance, does the median length of stay seem different for employer referrals than for those referred by the criminal justice system? 80 85 00 112 102 Yes No 95 107 89 100 Q 107 109 93 94 Using the Wilcoxon signed-ranks test at the a= 0.10 level of significance, does the median length of stay seem different for males and females? C
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