Question

Q1: The following figures give the marks of 20 children in
Final exam in the subject of mathematics:
50, 78, 84, 60, 55, 78, 90, 100, 55, 70, 60, 78, 50, 55,
84, 60, 9, 100, 90, 90​

Answer 1

Answer:

90+50+78+84+60+55+78+90+100+55+70+60+78+50+55+84+60+9+100+90/20

1396/20

69.8