Homework answers / question archive / Out of 100 numbers ,20 were 4s,40 were 5s,30 were 6s,and remaining were 7s then find the arithmetic mean of number  

Out of 100 numbers ,20 were 4s,40 were 5s,30 were 6s,and remaining were 7s then find the arithmetic mean of number  

Economics

Share With

Out of 100 numbers ,20 were 4s,40 were 5s,30 were 6s,and remaining were 7s then find the arithmetic mean of number