Question

weight 77 80 82 83 85
No of persons (4 3 2 2 1) respectively
find the mean weight​

Answer 1

Answer:

mean= 77+80+82+83+85/5=81.4

Answer 2

Step-by-step explanation:

$77 + 77 + 77 + 77 + 80 + 80 + 80 + 82 + 82 + 83 + 83 + 85 \div 12 \\ = 80.25$