Question

The marks obtained by 12 students in an examination ( out of 50) are given below
18.35, 2, 27. 40, 0, 21, 33, 27, 8, 36.23 find the mean marks​

Answer 1

Answer:

Marks obtained by students-

18,35,2,27,40,0,21,33,27,8,36,23

Sum of marks =18+35+2+27+40+0+21+33+27+8+36+23=270

Total no. of students =12

Therefore,

Mean marks =

total no. of students

Sum of marks

=

12

270

=22.5

Answer 2

Answer:

Marks obtained by students-

18,35,2,27,40,0,21,33,27,8,36,23

Sum of marks =18+35+2+27+40+0+21+33+27+8+36+23=270

Total no. of students =12

Therefore,

Mean marks =total no. of studentsSum of marks=270/27=22.5

Step-by-step explanation:

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