Error Analysis

                Measurement is a process of comparing an unknown quantity with a standard quantity . No measurement can be made with perfect accuracy which results in the occurance of the errors.

There are two types of error,

  • Absolute error
  • Percentage error

Absolute error:

           Absolute error may be defined as the difference between the variable and measured value of the variable it can be expressed as e=yn-xn

Where, e = absolute error
Yn= expected value
Xn = measured value

Percentage error:

Percentage error = absolute error*100/expected error

Where, A = yn-xn*100/yn

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