Question

I Find the mean of the data
Marks =10 20 30 0 50 60 70
No.of stu.. 1 1 3 40 2 4 5​

Answer 1

Answer:

10+20+30+40 i think +50+60+70=280

no. of students -11+3+40+2+4+5=65

mean=280/65=56/13 may be according to statement