Assertion (A) : Under the quota sampling, it is very difficult to determine the errors. Reason (R) : The quota sampling is not based on random sampling at any stage.
A
Both (A) and (R) are true, and (R) is the correct explanation of (A)
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B
Both (A) and (R) are true, but (R) is not the correct explanation of (A)
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C
(A) is true but (R) is false
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D
(A) is false but (R) is true
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Solution
The correct option is A Both (A) and (R) are true, and (R) is the correct explanation of (A) Yes, both the statements are true as under quota sampling, it is very difficult to determine the errors as sometimes other traits in the sample may be neglected and it may lead to wrong observation.