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Which of the following points should be noted before the population is divided into different strata?
1. The information about the strata should be upto date, accurate and complete
2. The stratum should be small
3. The factors chosen for stratification should be homogeneous
4. The researcher should make sure that the factors used for stratification are related to the population

A

1 and 4 are correct

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B

1, 3 and 4 are correct

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C

1, 2 and 3 are correct

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D

All are correct

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Solution

The correct option is B 1, 3 and 4 are correct
When the population is required to be divided into strata so that in depth knowledge of each strata can be obtained . These stratas are required to be homogeneous i.e. with some common features and the factors for stratification are related to the population and the dat needs to be correct.

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