Uncertainty of Measurement and Decision Rule for Testing Laboratories (03 Aug. 2020) - Registration Closed

Description of the course –

In this program the basics of statistics associated with UoM calculations are explained in an easy and practical way to those who are not exposed to it. The programme explains not only how to do calculation but also covers why to do it in a manner prescribed in GUM document. It explains tricky question viz why repeatability standard deviation is divided by √n? What exactly is the physical meaning (practical day to day example) of Rectangular, Triangular and U- shaped distribution?, basis of choosing  a particular distribution for a particular factor? and How divisor 2√3, 2√6, 2√2 came from?, the concept and meaning of Degree of Freedom in practical sense?, how & why to apply corrected k value in case of sample (from students t table)?, How the whole calculation of UoM can be carried out in MS excel spreadsheet in a very simplified way? etc.

Registration Closed


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Uncertainty of Measurement and Decision Rule for Testing Laboratories (03 Aug. 2020) - Registration Closed


Uncertainty of Measurement and Decision Rule for Testing Laboratories 

Date :  3 Aug. 2020 

Duration – 1-days (8 hours)

Target Learners –

This training course is aimed at laboratory management and personnel of laboratories, and Assessors associated with Accreditation Body. Specifically:

  • Directors/Laboratory Managers, Scientists, Engineers, Auditors, Assessors and Consultants
  • Personnel of accredited laboratories or under application for accreditation of laboratories that plan to be accredited against ISO/IEC 17025
  • Personnel responsible for technical or quality management of testing or calibration laboratories

Description of the course –

The training program would cover the basic principles of uncertainty measurement and their specific application in various measurements impacting Decision Rule. The following topics would be covered:

  • Concept of accuracy, precision, measurement uncertainty
  • Interpretation of Measurement Uncertainty
  • Decision Rule

Structure of the course –

The Online training with PowerPoint presentations, group exercises for brain-storming & better understanding of the requirements of ISO/IEC 17025:2017

Learning Outcomes –

  • Understand the need for measurement uncertainty
  • Examine international practices and practical statistics
  • Understand uncertainties and budgets
  • Understand and calculate specific examples for measurement uncertainty
  • Understanding the selection and impact of Decision Rule

What’s included?

  • Learning materials;
  • Certificate of participation.


For any query, please write to

Alok Jain, Director QCI, ajain@nabl.qcin.org, Ph. 9811352698

Ranvijay Bihari, Dy Director QCI, ranvijay.nabet@qcin.org, Ph. 8800424788

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