Analyse measurements and estimate uncertainties

Formats and tools

Unit Description
Reconstruct the unit from the xml and display it as an HTML page.
Assessment Tool
an assessor resource that builds a framework for writing an assessment tool
Assessment Template
generate a spreadsheet for marking this unit in a classroom environment. Put student names in the top row and check them off as they demonstrate competenece for each of the unit's elements and performance criteria.
Assessment Matrix
a slightly different format than the assessment template. A spreadsheet with unit names, elements and performance criteria in separate columns. Put assessment names in column headings to track which performance criteria each one covers. Good for ensuring that you've covered every one of the performance criteria with your assessment instrument (all assessement tools together).
Wiki Markup
mark up the unit in a wiki markup codes, ready to copy and paste into a wiki page. The output will work in most wikis but is designed to work particularly well as a Wikiversity learning project.
Evidence Guide
create an evidence guide for workplace assessment and RPL applicants
Competency Mapping Template
Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners. A template for developing assessments for a unit, which will help you to create valid, fair and reliable assessments for the unit, ready to give to trainers and students
Observation Checklist
create an observation checklist for workplace assessment and RPL applicants. This is similar to the evidence guide above, but a little shorter and friendlier on your printer. You will also need to create a seperate Assessor Marking Guide for guidelines on gathering evidence and a list of key points for each activity observed using the unit's range statement, required skills and evidence required (see the unit's html page for details)

Self Assessment Survey
A form for students to assess thier current skill levels against each of the unit's performance criteria. Cut and paste into a web document or print and distribute in hard copy.
Moodle Outcomes
Create a csv file of the unit's performance criteria to import into a moodle course as outcomes, ready to associate with each of your assignments. Here's a quick 'how to' for importing these into moodle 2.x
Registered Training Organisations
Trying to find someone to train or assess you? This link lists all the RTOs that are currently registered to deliver MSL925002A, 'Analyse measurements and estimate uncertainties'.
Google Links
links to google searches, with filtering in place to maximise the usefulness of the returned results
Reference books for 'Analyse measurements and estimate uncertainties' on This online store has a huge range of books, pretty reasonable prices, free delivery in Australia *and* they give a small commission to for every purchase, so go nuts :)

Elements and Performance Criteria



1. Identify the measured quantity and the uncertainty components

1.1. Specify an equation for the measurement

1.2. List uncertainty components that are associated with each input in the equation

2. Determine the size of each uncertainty component

2.1. Calculate the standard deviations and standard deviation of the mean from the measurement results

2.2. Use calibration reports, manufacturer's specifications, quality control and validation data, and experimental data to collect other available information on the uncertainty components

3. Reduce each uncertainty component to a standard uncertainty

3.1. Allocate an appropriate distribution for each uncertainty component

3.2. Calculate the standard uncertainties

4. Calculate an expanded uncertainty to the required confidence level

4.1. Calculate the sensitivity coefficient for each uncertainty component

4.2. Calculate a combined standard uncertainty

4.3. Determine an appropriate coverage factor based on the degrees of freedom associated with each uncertainty component

4.4. Calculate the expanded uncertainty

5. Report the expanded uncertainty

5.1. Report the result and uncertainty to an appropriate number of significant figures

5.2. Report the confidence level and coverage factor

5.3. Determine the appropriateness of the size of the expanded uncertainty relative to the tolerance or required accuracy of the test

5.4. Determine the fitness for purpose of the expanded uncertainty relative to the use of the measurement result

Qualifications and Skillsets

MSL925002A appears in the following qualifications:

  • PSP42310 - Certificate IV in Government (Trade Measurement)
  • MSL50109 - Diploma of Laboratory Technology
  • MSL70109 - Vocational Graduate Certificate in Instrumental Analysis
  • MSL40109 - Certificate IV in Laboratory Techniques
  • MSL60109 - Advanced Diploma of Laboratory Operations