Question

If the standard deviation of a data is 0.012. Find the variance.

(a) 0.144

(b) 0.00144

(c) 0.000144

(d) 0.0000144

This question was posed to me by my school teacher while I was bunking the class.

I would like to ask this question from Statistics topic in portion Statistics of Mathematics – Class 11

Answer 1

Correct answer is (c) 0.000144

The explanation is: S.D. = √variance

⇒ (0.012)^2 = Variance

⇒ Variance = 0.000144