Types of Errors

Types of Errors

Types of Errors

Question: Briefly, describe the major types of errors?

Types of Errors

There are two major types of errors.

  • Random error
  • Systematic error

Random error. Random error is said to occur when repeated measurements of the quantity, give different values under the same conditions.

  • Reasons of occurrence:
    It is due to some unknown causes.
  • Elimination of error:
    Repeating the measurement several times and taking an average can reduce the effect of random errors.

Systematic error. Systematic error refers to an effect that influences all measurements of a particular quantity equally it produces a consistent difference in readings

  • Reason of occurrence’
    It occurs to some definite rule. It may occur due to zero error Of instruments, poor calibration of instruments or incorrect markings etc.
  • Elimination of error
    Systematic error can be reduced by comparing the instruments with another which is known to be more accurate Thus for systematic error a correction factor can be applied

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Types of Errors


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