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
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
