Chi Square Test, 2 X 2

by Steve Maczuga  email stevemaczuga@stevemac.us



Group 1

Population with Disease 1:                  Total Population 1:    



Group 2

Population with Disease 2:                  Total Population 2:    




Secret Code, it is 50 + 50 + 3 + 3:




Hint: Outcomes can be yes or no for successful or unsuccessful treatments or presence of a disease or not.