Question

The annual rainfall in Vijayawada in five years is given below.
690 mm, 600 mm, 500 mm, 730 mm, 490 mm
What is the average rainfall for those 5 years ?

• A.
  550 mm
• B.
  602 mm
• C.
  610 mm
• D.
  575 mm

Answer 1

The correct option is B

602 mm
We know,
$Average=\frac{Sumofallobservations}{Totalnumberofobservations}$

$\therefore$
$Average=\frac{690+600+500+730+490}{5}$

$Average=602mm$

Hence, (b) is the required answer.