Mathematics · Sampling Techniques
A heterogeneous population of farms is divided into 3 strata for stratified sampling. The strata sizes are 50, 100, and 150. A total sample size of 60 is to be selected. Consider the following statements: A. Equal allocation: 20 units are allocated to each stratum. B. Proportional allocation: 10, 20, and 30 units are allocated to strata 1, 2, and 3 respectively. Which of the statements given above is/are correct regarding these allocation methods?
- 1Neither A nor B
- 2B only
- 3A only
- 4Both A and B✓
Correct answer
Both A and B
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