Pick up the correct statement from the following : – McqOptions

MCQOPTIONS

1.	Pick up the correct statement from the following :
A.	the apparent error on reversal is twice the actual error
B.	the correction may be made equal to half the observed discrepancy.
C.	the good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results
D.	all the above.
Answer» E.

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