Question

pls answer as quickly as possible​

Answer 1

Answer:

12

Step-by-step explanation:

please mark me brainliast

Answer 2

$mean = \frac{marks \: obtained}{no \: .of \: students}$

$mean = \frac{2 + 3 + 4 + 7 + 10}{3 + 2 + 6 + 7 + 2}$

$mean = \frac{26}{19}$

$mean = 1.368$