A set of independent current measurements taken by ___

A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA.

What is the range of error ?

A. ± 0.045
B. ± 0.054
C. ± 0.065
D. ± 0.056

Show Answer

Answer: A

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