Consider this scenario: surgery patients in hospital a and hospital b are classified as being in either good condition or poor condition. when looking separately at survival rates among patients in good condition and in poor condition, hospital b has higher rates for both groups. yet when the two groups are combined, hospital a has a higher rate. what's the most likely lurking variable?

The number of patients in good or poor condition.

Explanation: APEX

another answer from our community: let us first explain the meaning of "eternal truth" which is tomean, continuing forever or indefinitely. this being the case itcannot be changed, for truth is truth no matter what changes aremade to the structure of its explanation. however, as for religeons changin… (more)

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.