Question

The average of 4.8, 3.4, 8.6, 2.3 is -​

Answer 1

$\sf\pink{Average = \dfrac{Sum\:of\: observation}{No.\: of\:observation}}$

$\sf\blue{=> \dfrac{4.8 + 3.4 + 8.6 + 2.3}{4}}$

$\sf\blue{=> \dfrac{19.1}{4}}$

$\sf\green{Average = 4.775}$