The Difference Between randomization and random Sampling Is

The difference between randomization and random sampling is

A) nothing, they are two words for the same thing.
B) randomization means randomly assigning people into two or more groups, random sampling meaning choosing a sample from a population in a random way.
C) random sampling means randomly assigning people into two or more groups, randomization means choosing a sample from a population in a random way.
D) randomization is a close approximation of true random sampling.
E) randomization uses random numbers while random sampling does not.