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Which of the following is typical of the selection of survey participants?

A.) They can indicate partiality toward a group.
B.) They can be selected on purpose by a researcher.
C.) They must be surveyed more than once.
D.) They must be representative of the population.

Respuesta :

Answer:

D.) They must be representative of the population.

Explanation:

In general a sample collected from a set of naturally distributed data set must also follow the bell curve or natural distribution

In other way round it can be said that sample set must have the same characteristics as that of the main set and hence a sample must be representative of the population.

Option D is correct
D. they must be representative of the population

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