Question

In a school marks obtained by $10$ students in mathematics test as given below:
$18,12,36,24,40,60,23,09,70,62$
Find Range of this data :

• A. $23$
• B. $61$
• C. $09$
• D. $70$

Answer 1

The correct option is B $61$

$Formulaused$
$Range=highestvalue-lowestvalue$
$Given$
$marks\text{obtained by 10 students as}$
$\text{18,12,32,24,40,60,23,09,70,62}$
$\text{Arrange the marks in increasing order as}$
$09,12,18,23,24,32,40,60,62,70$
$Range=70-09=61$