Dear All:
 
I need some help with graphing the critical regions of hypothesis testing.
 
Consider the Z-test, assume Z=3.2, and alpha=0.05 (that is Z_(a.pha/2)=1.96. 
 
Then how to graph the rejection region in the following three cases:
 
Left-tailed test
 
 
Right-tailed test
 
 
Two tailed test
 
 
 
Same for the T-test.
 
 
Thank you so much for your times.
 
Abou
 
 


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AbouEl-Makarim Aboueissa, Ph.D.
Assistant Professor of Statistics
Department of Mathematics & Statistics
University of Southern Maine
96 Falmouth Street
P.O. Box 9300
Portland, ME 04104-9300

Tel: (207) 228-8389
Email: aaboueissa@usm.maine.edu
          aboueiss@yahoo.com
Office: 301C Payson Smith

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