What are random errors ? Distinguish between random errors and systematic errors.

We can reduce random errors by

How do the random errors differ from systmetic errors?

What are random errors? They are called accidental errors. Why?

What is absolute error?

Assertion : Systematic errors and random errors fall in the same group of errors. Reason : Both systematic and random errors are based on the cause of error.

What is an error?

What is the parallax error?

(A) : Increasing the number of observations minimizes random errors. (R ) : Positive and negative random errors occur with equal probability.

Mention the errors and their correction.

When 10 observation are taken the random error is x when 100 observation are taken the random error becomes