Question/ Answer Section: Errors in Survey Sampling

 What are types of errors usually occurred in surveys? 

Answers: There are five main type of error which are usually occurred is the feild of survey sampling, these are

 (i) Coverage error 

       (a) Under-Coverage

        (b) Over-Coverage

(ii) Non-response error 

       (a) Item Non-response

       (b) Unit Non-response

(iii) Measurement error 

       (a) Under esimate observations

       (b) Over estimated the units

(iv) Processing error 

      (a) Editing the Data

      (b) Coding or De-coding the collected information

(v) Sampling error

      (a) Chose of wrong the selection technique

      (b) Personal bias



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