A retrospective case-control study is undertaken to study if there is an association of cancer and living near the former nuclear weapons plant northwest of Salt Lake. Of those living nearby during the time period of the study, 204 had died of a cancer while 552 died of other causes. A matched sample of Utah residents from Salt Lake was used for comparison: 9 had died of cancer while 145 died of other causes. The unadjusted odds ratio is: (Hint: start with a 2x2 table.) a. 0.01 b. 0.17 c. 5.95 d. 86.3

AND Interpret the odds ratio in question #11: __________________________________