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If the random error in the arithmetic mean of 50 observations is , then the random error in the arithmetic mean of 150 observations would be
detailed solution
Correct option is C
Random error ∝1 Number of observabionsTalk to our academic expert!
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The density of a cube is measured by measuring its mass and length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, then the maximum error in the measurement of density is
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