Test Situation    Ha:p1−p2≠0 and α = 0.02    Ha:p1−p2≠0 and α = 0.001    Ha:p1−p2>0 and α = 0.04    Ha:p1−p2>0 and α = 0.005    Ha:p1−p2<0 and α = 0.10 Critical Value 1.751 2.576 2.326 3.291 -1.282 I am confused as to how to find the critical value.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Test Situation

  •  

 Ha:p1−p2≠0 and α

  • = 0.02
  •  

 Ha:p1−p2≠0 and α

  • = 0.001
  •  

 Ha:p1−p2>0 and α

  • = 0.04
  •  

 Ha:p1−p2>0 and α

  • = 0.005
  •  

 Ha:p1−p2<0 and α

  • = 0.10

Critical Value

  1. 1.751
  2. 2.576
  3. 2.326
  4. 3.291
  5. -1.282

I am confused as to how to find the critical value. 

Expert Solution
Step 1

If the direction of alternative hypothesis is "≠", then it is called two-tailed test.

If the direction of alternative hypothesis is "<", then it is called left-tailed test.

If the direction of alternative hypothesis is ">", then it is called right-tailed test.

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