Follwing are the marks obtained by 8 students in Statistics. Calculate the arithmetic mean. {:("Marks",15,18,16,45,32,40,30,28):}

Follwing are the marks obtained by 8 students in Statistics. Calculat

1.	Follwing are the marks obtained by 8 students in Statistics. Calculate the arithmetic mean. {:("Marks",15,18,16,45,32,40,30,28):}
Answer» Solution :`{:("Marks (X)"),(""15),(""18),(""16),(""45),(""32),(""40),(""30),(""28),(sumX=224):}` `barX=(sumX)/N=(X_(1)+X_(2)+...X_(10))/10=224/8=28` Average marks of the 8 STUDENTS = 28.