Mathematics, 14.02.2020 00:29 kaitlynmoore42
A physical examination and an audiometric test were given to 500 persons with suspected hearing problems, of whom 300 were actually found to have them. The results of the examinations were as follows
1. Physical Exam 2. Audiometric Test
Result
Hearing Problem
Present Absent
Result
Hearing Problem
Present Absent
Positive
240 40
Positive
270 60
Negative
60 160
Negative
30 140
For each of the two exams, Define and calculate the followings:
The Sensitivity of this test
The specificity of the test
Predictive value positive
Predictive value negative
Compared to the physical exam, the audiometric test is:
A. Equally sensitive and specific
B. Less sensitive and less specific
C. less sensitive and more specific
D. more sensitive and less specific
E. more sensitive and more specific
Answers: 2
Mathematics, 21.06.2019 14:20
Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81
Answers: 3
Mathematics, 21.06.2019 14:30
Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.
Answers: 2
Mathematics, 21.06.2019 20:00
Which statement about the annual percentage rate (apr) is not true?
Answers: 3
Mathematics, 21.06.2019 21:30
Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box
Answers: 1
A physical examination and an audiometric test were given to 500 persons with suspected hearing prob...
Biology, 24.05.2020 02:59
Mathematics, 24.05.2020 02:59
English, 24.05.2020 02:59
Mathematics, 24.05.2020 02:59
Mathematics, 24.05.2020 02:59
Mathematics, 24.05.2020 02:59