SE: accuracy, precision & errors Flashcards
1
Q
precision
A
when multiple readings are very close to or the same as one another
1
Q
accuracy
A
when a reading is very close to or the same as the true value
2
Q
zero error & how to fix
A
an instrument shows a non-zero reading when the reading should be zero. use “tare/zero” function to reset the scale.
3
Q
parallax error
A
when the marking on an instrument is viewed from the wrong angle
4
Q
random error
A
unknown, unpredictable error (e.g. human reaction time, environmental conditions)
