Four independent observations recorded voltage measurement of 110.02 V, 110.11 V, 110.08 V and 110.03 V. The average range of error will be

Four independent observations recorded voltage measurement of 110.02 V

1.	Four independent observations recorded voltage measurement of 110.02 V, 110.11 V, 110.08 V and 110.03 V. The average range of error will be
A.	110.06 V
B.	0.05 V
C.	± 0.045 V
D.	± 0.9 V
Answer» D. ± 0.9 V

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Four independent observations recorded voltage measurement of 110.02 V, 110.11 V, 110.08 V and 110.03 V. The average range of error will be

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