(I for Populations Scattered in a Wide Area, the Preferred

(i. For populations scattered in a wide area, the preferred technique for sampling is cluster
Sampling.
(ii. If the population can be divided into homogeneous subgroups, stratified random sampling is the
Best sampling method to use.
(iii) If every k-th item in the population sequence is selected, you are using cluster sampling.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) (i) , (ii) , and (iii) are all false statements.