When two or more quantities are added or subtracted, the error in result (Es) is the square root of the sum of the square of the errors (e1, e2, .....) of the individual quantity i.e.,
For example : The total distance D = (120 ± 2) mm + (321 ± 5) mm
| Error Propagation in a Sum or a Difference of Measurements |
When two or more quantities are added or subtracted, the error in result (Es) is the square root of the sum of the square of the errors (e1, e2, .....) of the individual quantity i.e., For example : The total distance D = (120 ± 2) mm + (321 ± 5) mm |
