Consider a study about whether the person regularly donates blood and whether a
ID: 3270933 • Letter: C
Question
Consider a study about whether the person regularly donates blood and whether a family member has ever needed a transfusion. Whether one is a regular blood donor and whether a family member has ever needed a transfusion are…
A. being a regular donor is a quantitative variable and a family transfusion need is a nominal variable
B.both ordinal variables
C.being a regular donor is a dichotomous variable and a family transfusion need is an ordinal variable
D.both dichotomous variables
E.both quantitative variables
F. cases
Explanation / Answer
Since a preson may be a regular donar or may not be so being a regular donar is dichotomous variable .Also a family member may need a transfusion or may not ,so it is also a dichotomous variable .Option D is correct