Data Is Useful in Understanding Why Some People Who Are

data is useful in understanding why some people who are older than sixty- five lead active lives,take regular vacations,and eat a healthy diet although others in the same age segment do not exercise,eat and drink to excess,and refuse to walk more than five feet to pick up their mail.

A) Geoclustering
B) Socioeconomic
C) Ethnocentric
D) Demographic
E) Psychographic