expression of uncertainty in measurement

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expression of uncertainty in measurement by Mind Map: expression of uncertainty in measurement

1. Modelling the measurement

1.1. input quantities

1.2. output quantity

1.3. y=f(x1, x2 ... xn)

2. Type A evaluation of standard uncertainty

2.1. average

2.2. experimental standard deviation

2.3. experimental standard deviation of the mean

3. Type B evaluation of standard uncertainty

3.1. normal distribution

3.2. rectangular distribution

4. Graphical illustration of evaluating standard uncertainty

5. Determining combined standard uncertainty

5.1. Uncorrelated input quantities

5.2. Correlated input quantities

5.2.1. correlation coefficient

6. Determining expanded uncertainty

6.1. confidence interval

6.2. confidence level

6.3. coverage factor

7. Reporting uncertainty

7.1. m = (100,021 47 ± 0,000 79) g,

7.2. uc = 0,35 mg

7.3. k = 2,26 based on the t-distribution for v = 9 degrees of freedom

7.4. level of confidence of 95 %