Mathematics · Sampling Methods
Which of the following are correct statements about stratified random sampling? (A) It is drawn from a population that does not constitute a homogeneous group. (B) The population is divided into a number of non-overlapping sub-populations or strata. (C) Items are selected from each sub-population by adopting a simple random sampling procedure. (D) Selection of groups is preferred rather than individual elements. Choose the correct answer from the options given below:
- 1(A) and (C) only
- 2(C) and (D) only
- 3(B) and (C) only✓
- 4(A) and (B) only
Correct answer
(B) and (C) only
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