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In: Statistics and Probability

Test whether p 1 greater than p 2. The sample data are x 1 equals 124​,...

Test whether p 1 greater than p 2. The sample data are x 1 equals 124​, n 1 equals 259​, x 2 equals 139​, and n 2 equals 305. Determine test statistic and P value

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Expert Solution

We have given for the example              
              
x1=124          
n1=259          
              
x2=139          
n2=305          
          
Estimate for sample proportion 1=
              
Estimate for sample proportion 2=

Pooled proportion
              
Z test statistic formula is               


=0.548  

P value =0.2918..................by using Z table or Excel =1-NORMSDIST(0.548)

orchestra answered 1 year ago
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