Following is a contingency table for U.S. surgeons, cross classified by specialty and base of practice
a) Fill in the missing values from the table.
Office
24,128
General Surgery
Obstetrics/Gynecology
Orthopedics
Ophthalmology
Total
b) How many surgeons are office based? answer: 73970
c) How many surgeons are ophthalmologists? answer
d) How many surgeons are office-based ophthalmologists? answer:
e) How many surgeons are either office-based or ophthalmologists? answer
1) How many general surgeons are hospital based? answer: 12225
24150
15540
g) How many hospital-based surgeons are OB/GYNS? answer
h) How many surgeons are not hospital-based? answer
13,364
12,328
73,970
77700
12328
6734
Hospital Other
12,225 1,658
6,734 1,140
4,248 414
2,694 518
25,901 3,730
Total
38,011
32,024
18026
15,540
103,601