Which of the following is correct according to calculating relative error as a measure of Precision?(a) (Absolute error/ True value)*100(b) (Absolute error/True value)(c) (measurement being taken/Absolute error)*100(d) (Absolute error/measurement being taken)The question was asked during an online interview.I want to ask this question from Errors in Data and Calculations topic in section Presentation and Analysis of Data of Bioprocess Engineering

Which of the following is correct according to calculating relative er

1.	Which of the following is correct according to calculating relative error as a measure of Precision?(a) (Absolute error/ True value)100(b) (Absolute error/True value)(c) (measurement being taken/Absolute error)100(d) (Absolute error/measurement being taken)The question was asked during an online interview.I want to ask this question from Errors in Data and Calculations topic in section Presentation and Analysis of Data of Bioprocess Engineering
Answer» CORRECT option is (d) (Absolute error/measurement being taken) Best EXPLANATION: Relative error (RE) — when USED as a measure of precision — is the RATIO of the absolute error of a measurement to the measurement being taken. In other words, this TYPE of error is relative to the size of the item being measured. RE is expressed as a percentage and has no units.

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