Uncertainty Flashcards
1
Q
What is the percentage uncertainty or percentage error in a single measurement?
A
The uncertainty or error of the measurement divided by the measurement X 100%. (To 2 sig fig only).
2
Q
What is the uncertainty or error of a value that has been obtained by repeat readings?
A
1/2 spread or range.
3
Q
What is the percentage uncertainty or percentage error of a value that has been obtained by repeat readings?
A
1/2 spread divide by mean X 100%
4
Q
What is the uncertainty or error in a single measurement?
A
The uncertainty in the measuring instrument or precision or ±1 X smallest scale division on the measuring instrument.
