how calculate bench mark errors

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how calculate bench mark errors..

Answer / sandy

i think answer is

sigma f.s.- sigma b.s.= Last r.l.- first r.l.

Is This Answer Correct ?    6 Yes 0 No

how calculate bench mark errors..

Answer / sandeep kumar

1st Rl-last RL=rise-fall

Is This Answer Correct ?    2 Yes 0 No

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