In an experiment the refractive index of glass was observed to be `1.45 , 1.56 , 1.54 , 1.44 ,
Channel: Doubtnut
Date: 26/07/2020

In an experiment the refractive index of glass was observed to be `1.45 , 1.56 , 1.54 , 1.44 , 1.54 , and 1.53`. Calculate  (a). Mean value of refractive index  (b). Mean absolute error  ( c ) Fractional error  (d) Percentage error  (e) Express the result in terms of absolute error and percentage error