If we want to measure any physical quantity we have to use an appropriate measuring instrument. If we assume that it is accurate and if we repeat the measurement very carefully for several times we will notice that results differ. Every measurement has some uncertainty. These uncertainties are called errors.
Error analysis is the study and evaluation of uncertainty in measurement. "Measurements are asually made against some standard to compare the object or quantity begin measured with some known value.
Autor/i: grupa autora
