Question

The best method to reduce random error is

(A) To change the instrument used for measurement

(B) To take help of experienced observer

(C) To repeat the experiment many times and to take the average results

(D) None of the above

Answer 1

Correct option: (C) To repeat the experiment many times and to take the average results

Explanation:

Random error is reduced by making large number of observation and taking mean of all the result.