In an experiment, the values of refractive index of glass were found to be 1.54, 1.53 , 1.44 and 1.54 , 1.56 and 1.45 in successive measurements . Calculate (i) Mean value of refractive index of glass (ii) Absolute error in each measurement (iii) Mean absolute error (iv) relative error and (v) Percentage error.

Options

A. `1.51,0.04, 0.03 , 3%`
B. `1.51,0.4,0.03, 3%`
C. `15.1,0.04 , 0.03%,3%`
D. `15.1, 0.04,0.3,3%`

Answer

A