PSY 520
Chamberlain School Of Nursing
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PSY 520 Topic 7 ExerciseChapter 19 and 20-Latest Update
- Exam (elaborations) • 10 pages • 2022
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19.9 
a.) Using the .01 level of significance, test the null hypothesis that in the 
underlying population, crimes are equally likely to be committed on any day 
of the week. 
Response: 
H0=Psun=Pmon=Ptues=Pwed=Pthurs=Pfri=Psat=17 
H1 :H0 is false 
Decision Rule: Reject H0 at the 0.01 level of significance is x2≥16.81 
Calculations: 
total sample¿ ¿ 
f e=(expected proportion)¿ 
Frequen 
cy 
Mon Tues Wed Thurs Fri Sat Sun Total 
f o 17 21 22 18 23 24 15 140 
f e 20 20 20 20 20 20 20 140 
Nul...
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