the arithmetic mean of monthly in earning of 60 families was 20000 rupees the mean earning of 15 of them was 22000 rs and the mean earning of another 25 of them was 18000 rs find the mean earning of remaining families
Answers
Answered by
2
Step-by-step explanation:
To find out remaining no. of families
=60-(25+15)
=60-(40)
=20.
Therefore remaining families are 20.
Total earning of 60 families=200000
To find the remaining earning of families
=Rs.200000-(22000+18000)
=Rs.200000-40000
=Rs.160000
Hope that the answer helps you☺
Similar questions