Question

Calculate arithmetic mean from the following data.
10
20
30
40
50
Marks
No. of students
15
10
40
20
15​

Answer 1

Explanation:here is your answer

isomers are molecules or polyatomic ions with identical molecular formulas — that is, same number of atoms of each element — but distinct arrangements of atoms in space. Isomerism is existence or possibility of isomers. Isomers do not necessarily share similar chemical or physical properties.

Answer 2

Explanation:

the mean will be 31 is that write if yes please reply thank you