The five year surival rate for Caucasians for all forms increased from 37% in 1960 to 58% now. Express this change in two ways (1) as an absolute difference in terms of percentage points and (2) as a relative difference in terms of percent.
The five year survial rate for Caucasians for all cancer increased by _________ percentage points (neraest tenth)
The five year survial rate increased by_________(nearest tenth).