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Q1: The Random errors tend to accumulate proportionally to

A numbers of operations involved

B reciprocal of operations involved

C square root of the number of operation involved

D cube root of the number of operation involved.

ANS:C - square root of the number of operation involved

The random error means an accidental error that is directly proportional to the square root of no of observation. Cumulative error proportional to l & compensating proportionalto (under root l). Ref. Khurmi.



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