Saturday, July 12, 2014

What is Sampling Error? Non-sampling Error? Non-response Error? Response Error?



        What is Sampling Error?
Sampling error is the variation between true mean value for the population and the true mean value of the sample.

          Non-sampling Error:
Non-sampling error can be attributed to sources other than sampling and they may be random or non-random.

        Non-response Error:
Non-response error arises when some of the respondent included in the sample does not respond.

        Response Error
Response error arises when respondent give inaccurate answer or their answers are misreported

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