Workshop 1 Flashcards
(7 cards)
1
Q
What is uncertainty?
A
Arises b/n the markings on measuring equipment
2
Q
What are the 4 rules of significant figures?
A
-All non-zeros are significant
-Zeros b/n non-zeros are significant
-Zeros at the end after a decimal are significant
- Zeros at the front are not significant
3
Q
What are the 2 types of error?
A
-Random
-Systematic
4
Q
What is random error?
A
-Can’t be eliminated w/o using more precise equipment
-Normal distribution of values
5
Q
How does random error occur?
A
Lack of precision or reproducibility of measurements
6
Q
What is systematic error?
A
Can be eliminated w/ careful technique and controls
7
Q
How does systematic error occur?
A
Incorrect calibration of equipment
