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Question
The individual variation between test strength of sample should not be more than -
uewus dh rkdr ds chp esa fof'k"V ifjorZu fdruk vf/kd ugha gksuk pkfg,&
A.
± 5% of average
B.
± 10% of average
C.
± 15% of average
D.
± 20% of average
Answer ( Option C)

± 15% of average

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