Biostat Q - absolutefreaky - Printable Version +- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com) +-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1) +--- Forum: Step 1 (https://www.usmleforum.com/forumdisplay.php?fid=2) +--- Thread: Biostat Q - absolutefreaky (/showthread.php?tid=367184) |
Biostat Q - absolutefreaky - ArchivalUser - 12-07-2008 Drug X- 95% C.I (1.5 to 3.5) Cardiac Index-2.5 L/m2 Drug Y- 95% C.I (0.7 to 2.7) Cardiac Index-1.7 L/m2 P=0.1 What is the likelihood that the difference in the mean cardiac index of the patient receiving Drug X & Y due to chance? A) 0% B) 2.5% C) 5% D) 7.5% E) 10% F) 66.7% G)95% 0 - ArchivalUser - 12-07-2008 ee 0 - ArchivalUser - 12-07-2008 Please explain how, I banged my head. thx 0 - ArchivalUser - 12-07-2008 i think z Q about type one error when not rejecting z null hypo and assuming a statistically significant when in fact there isn't,z chance of this error is given by z P value 0.1=10% tell me if am right 0 - ArchivalUser - 12-07-2008 you're right |