Guidance

Food and water proficiency testing schemes: scoring systems and statistics

A guide to the scoring systems and statistics used for the PHE proficiency testing (PT) schemes for food and water microbiology.

• From: Public Health England
• Published: 19 July 2014
• Last updated: 5 July 2018 — See all updates

Documents

Food and water PT schemes: scoring systems and statistics

PDF, 657 KB, 30 pages

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Details

This guide is designed to help participants understand the scoring systems and statistics used for assessing results reported for the Public Health England (PHE) food and water microbiology PT schemes.

PHE proficiency testing is also known as external quality assessment (EQA).

Published 19 July 2014
Last updated 5 July 2018 + show all updates

1. 5 July 2018

   Updated recent 'Food and water PT schemes: scoring systems and statistics'.

2. 23 January 2018

   Updated with recent file 'Food and water PT schemes: scoring systems and statistics'.

3. 7 September 2017

   Updated food and water PT schemes: scoring systems and statistics.

4. 25 November 2016

   Updated food and water PT schemes: scoring systems and statistics.

5. 29 January 2015

   Rules added for shellfish scheme tube combinations.

6. 12 December 2014

   Food and water PT schemes: scoring systems and statistics document reviewed

7. 19 July 2014

   First published.