Dose 2016

We need to know the accuracy of such a measurement

Everybody feels to have an idea of what accuracy means. We can express this “feeling” by the expression:

( ) D w

( ) D w

measured

true

≈

A better formulation could be this expression:

( ) w D

( ) w D

true

measured

uncertainty interval

=

±

Note: This is not a mathematical equation!

5.2

7