Unmatch the Pairs A) 050
B) 0

Unmatch the pairs.What is the estimated odds ratio of cases when analyzing this study as an unmatched case-control study design? Use the information from a case-control study table. Exposure Status by Disease Status
$$\begin{array} { | l | l | l } \hline \text { Pair no. } & \text { Cases } & \text { Controls } \\\hline 1 & \text { Exposed } & \text { Unexposed } \\\hline 2 & \text { Exposed } & \text { Exposed } \\\hline 3 & \text { Unexposed } & \text { Exposed } \\\hline 4 & \text { Exposed } & \text { Unexposed } \\\hline 5 & \text { Exposed } & \text { Unexposed } \\\hline 6 & \text { Unexposed } & \text { Exposed } \\\hline 7 & \text { Exposed } & \text { Exposed } \\\hline 8 & \text { Unexposed } & \text { Unexposed } \\\hline 9 & \text { Exposed } & \text { Unexposed } \\\hline 10 & \text { Unexposed } & \text { Unexposed } \\\hline 11 & \text { Exposed } & \text { Exposed } \\\hline 12 & \text { Unexposed } & \text { Exposed } \\\hline 13 & \text { Exposed } & \text { Unexposed } \\\hline 14 & \text { Enposed } & \text { Unexposed } \\\hline 15 & \text { Exposed } & \text { Eed } \\\hline\end{array}$$

A) 0.50
B) 0.67
C) 1.00
D) 2.00
E) 2.25