A person measures the length of a rod as 10cm,11cm,10cm,10cm,9cm.the true value of length of rod is??
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4
The true value of rod is 10.
because, the average of 10,10,10,9,11 is 10.
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9
The true lenght of rod is = 10+11+10+10+9/5.
=50/5
=10 cm
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