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Interpolation of standard norm values

Interpolation for values not listed in norm tables

If a value is not tabulated in a test procedure, you can interpolate between the nearest specifications. Please enter the obtained raw value and the next two tabulated raw values including their standard values.

upper raw value upper norm value
obtained raw value result
lower raw value lower norm value

Interpolation between two norm scores

The following function calculates the interval center between two standard values (in case the value obtained lies between two tabulated values, but the position is not exactly known). It is a simple averaging.

norm value 1 result norm value 2