If the probable error in single observation is ±0.04 m and that of the mean is ±0.01 m, then the number of observations are

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VideRime Staff asked 5 years ago
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If the probable error in single observation is ±0.04 m and that of the mean is ±0.01 m, then the number of observations are

a) 4

b) 10

c) 16

d) 64

Surveying MCQs Set-3