Answer:
Double entry - entering the data twice and comparing the two copies. This effectively doubles the workload, and as most people are paid by the hour, it costs more too.
Proofreading data - this method involves someone checking the data entered against the original document.
Step-by-step explanation:
Hope this helps
define a quality requirement for the test in the form of the amount of error that is allowable, preferably an allowable total error,
select appropriate experiments to reveal the expected types of analytical errors,
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