Question

Here are the test marks of 6 girls and 4 boys .

girls: 5 3 10 2 7 3
boys: 2 5 9 3

work out the mean mark of all students.

Answer 1

Mean is 4.9 or 5 rounded.

Explanation:

5+3+10+2+7+3+2+5+9+3/10 = 4.9

Mean is founded where you add all of your numbers and divide it by how many numbers their were.

Answer 2

5+3+10+2+7+3+2+5+9+3=49 divided by 10 = 4.9