UNCERTAINTY AND ERROR ANALYSIS
UNCERTAINTY AND ERROR ANALYSIS
REVIEW: Significant Figures and Scientific Notation
Measurement always have some degree of uncertainty due to avoidable errors.
Deviation of a measured value from the expected or true value.
Two Uncertainty
Two Uncertainty
Way of expressing this error.
The equation below shows the relationship of these factors.
measured value equals true value plus uncertainty times units.
Accuracy refers to the closeness of a measured value to the expected or true value of a physical quantity.