You have collected the data reported in the frame of your PT.
It is time to perform the data evaluation according to ISO 17043 and ISO 13528.
Follow the instructions below.
WARNING: Introduce data/information in the "red" and "grey" cells only.
Introduce data in a protected cell will re-initialise the worksheet (your data will be lost!!).
The same will happen if you reload/refresh the webpage.
The calculation sheet will open in a separate window (click the LINK).
Provide the following information:
Note: the (standard) uncertainty contribution due to instability, ustab(%), is set to zero (assuming that the material is stable).
Limitation: max 30 laboratory;
Review the information provided by the sheet
Finally, you can sort the data by Lab code, by (increasing) reported value, by analytical method or by MU category
and check the resulting graph.
To view the calculation sheet, click the LINK.
For more information, refer to:
The information above is provided "as is" without warranty of any kind, either express or implied, including, but not limited to, fitness for a particular purpose and absence of errors in the application. The entire risk as to the use, quality, and performance of the application is with the user. The owner of these Tools will not be liable for any incidental, consequential, direct or indirect damages including but not limited to the loss of data, loss of profits, or any other financial loss arising from the use or inability to use the application provided.