Fluke Digital Multimeter - Page 33

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 33
Measurement
Value
Deviation from
Average
x
1
10.07
+0.03
x
2
10.02
-0.02
x
3
10.01
-0.03
x
4
10.06
+0.02
x
5
10.04
0.00
x
(Average)
10.04
s (Estimated Std. Dev.)
0.02549
The estimated standard deviation
 






1
1
2
)(
n
i
n
i
xx
s
25.5 mA