Anon-sampling error is when results from a study are tabulated incorrectly. an error of this form is called a(n)

An error of this form is called an Processing error.We can find this error only if we execute the process that means it is evolved only in the final steps of the process.Processing errors are coding error,data entry errors and some arithmetic errors.From first itself we want to run the process properly otherwise at final stage the process error will shown.

They are somewhat similar