1 Measurements Flashcards
1
Q
uncertainty
A
range of possible values within which the true value lies
2
Q
random error
A
when data points deviate from the ‘correct’ value, by DIFFERENT amounts
3
Q
systematic error
A
when every data point deviates from the ‘correct’ value, by the SAME FIXED amount + SAME DIRECTION
4
Q
uncertainty when adding/subtracting A and B
A
A’s absolute uncertainty + B’s absolute uncertainty
5
Q
uncertainty when multiplying/diving A and B
A
A’s percentage uncertainty + B’s percentage uncertainty
6
Q
percentage uncertainty =
A
absolute uncertainty / value
