Question

In an experiment repeated six times, the refractive index of glass was measured as 1.45, 1.56, 1.54, 1.44, 1.54 and 1.53. The mean absolute error in the experiment is (n/100), find n​

Answer 1

Answer:

3

Explanation:

Mean=

6

1.54+1.53+1.44+1.54+1.56+1.45

=1.51

∣Mean absolute error∣=

6

1

∑(

x

1

ˉ

−

x

ˉ

)

2

=0.04

Relative error=

Mean

Absolute error

=

1.51

0.04

=0.026≈0.03

% error= Relative error×100=3%