Question

Look at the comparison given below :

Marks of student 1 : 76 , 80 , 78 and 86

Marks of student 2 : 84 , 90 , 64 and 72

Marks of student 3 : 70 , 80 , 60 and 90

Whose average mark is the highest ?

Answer 1

Average Mark of student 1
$=\frac{76+80+78+86}{4}=\frac{320}{4}=80$

Average Mark of student 2
$=\frac{84+90+64+72}{4}$ $=\frac{310}{4}=77.5$

Average Mark of student 3
$=\frac{70+80+60+90}{4}$ $=\frac{300}{4}=75$

$\therefore$ Average marks for Student 1 is the highest = 80