Dose Course 2018_Flipping book

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Type A evaluation:

Step 3:

Determine the positive root of the estimate of the variance of the mean value ( standard uncertainty of the mean)

N

1

2

2

 = k 1 ( )1 (

u

xs

x x )

=

+

) (

=

−

i

ki

,

NN

− 

√

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