5.41 - Mistakes, errors, accuracy and precision Flashcards
1
Q
What is a mistake?
A
Something that a skilled operator can avoid by being careful
2
Q
What is an error?
A
The difference between an experimental value and the accepted or correct value
3
Q
What is accuracy?
A
How close values are to the accepted or correct value
4
Q
What is precision?
A
A measure of how close values are to each other
5
Q
On an archery board, what would the following look like?
- Not accurate, not precise
- Accurate, not precise
- Not accurate, precise
- Accurate, precise
A
- Spread all over the board, none close to the middle
- Close to the centre, but spread out
- Grouped together, but far away from the centre
- Grouped together in the inner circle
