the world health organization's center of aids research is planning to write a report on aids infection among drug users all of the world. in a recent study conducted on 1,000,000 drug users, 52% indicated that they are using heroin on regular basis, 37% indicated that they used heroin one or more times, and 11% said they never used heroin or any other drugs.

A. Identify the population
B. Identify the sample size
C. Identify an element of study
D. What is the variable (point of interst) of this study?
E. Identify the data
F. Is the Purpose of the data collection to perform descriptive or inferential statisics