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Review of Radiation Oncology Physics: A Handbook for Teachers and Students.
mean
value
95% confidence interval of uncertainty
standard
uncertainty
1 sd
2 sd
4 sd
Standard and Expanded Uncertainty
Want to define an interval about a measurement result
within which the true value can be predicted to be within a certain level of confidence
Standard Uncertainty = u = 1
s
Expanded Uncertainty = U = ku where k=1 (67%),2 (95%) or 3 (99%)
k= coverage factor
±