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Mr. Glenn
Mr. Glenn, Math and Stat Expert
Category: Calculus and Above
Satisfied Customers: 663
Experience:  Math Professor for at least 15 yrs
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Answers to questions 3-6

Customer Question

answers to questions 3-6
Submitted: 1 year ago.
Category: Calculus and Above
Expert:  Mr. Glenn replied 1 year ago.

Hi

Thank you for using this site.

Can you please post your actual/complete questions 3 to 6?

Thanks

Customer: replied 1 year ago.
A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously. The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The sensitivity of this test is expressed asA screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously.The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The specificity of this test is:A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously.The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The positive predictive value of this test is:
A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously.The results are charted below:RESULTS OF DIAGNOSIS
Test Results Disease Present Disease Absent
Positive for Factor X 40 60
Negative for Factor X 10 140The negative predictive value of this test is:
Expert:  Mr. Glenn replied 1 year ago.

Hi
can you attach the word file for these questions? I think the data are messed up. Thanks. How many hours from now do you need the answers?

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