Statistics and Probability - 76793

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missray

missray

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The table represents results from an experiment with patients afflicted in both eyes with glaucoma. Each patient was treated in one eye with laser surgery and in the other eye was treated with eye drops. Using a .05 significance level, apply McNemar's test to test the following claim: The proportion of patients with no improvement on the laser treated eye and an improvement on the drops treated eye is the same as the proportion of patients with an improvement on the laser treated eye and no improvement on the drops treated eye.


 

 
 
 
Eye Drop Treatment
 
 
Improvement
No Improvement
 
 
 
 
Laser Surgery
Improvement
15
10
Treatment
No Improvement
50
25



Do you reject the null hypothesis, at the .05 significance level? Enter Y for yes (reject), N for no (fail to reject). (Points : 0.5)

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