A systematic sample of size 10 is taken from a population of size 1000 by giving

Question

A systematic sample of size 10 is taken from a population of size 1000 by giving each experimental unit a number, choosing at random a unit numbered 1-100 and then sampling each 100th unit. Which statement below is true. A) each experimental unit has an equal chance to be selected. B) each experimental unit has an equal chance to be selected, independently of the other experimental units that have been selected. C) if the experimental unit numbered 71 is in the sample, the experimental unit numbered 269 might be in the sample. D) if the experimenta unit numbered 71 is in the sample, the experimental unit numbered 471 cannot be in the sample.

Explanation / Answer

Each experimental unit has an equal chance of getting selected but the selection of one will depend upon the selection of other.

Hence.

Option A is correct.

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