Question

The Average income of 100 labourer is Rs.20 if the average income of all 150 labour is Rs.25 calculate the average income of remaining 50 labourers​

Answer 1

Answer:

Answer

9 rupees

Arithmetic mean using direct method formula is

x

ˉ

=

∑f

i

∑f

i

x

i

x

ˉ

=

3,200

28,600

x

ˉ

=8.93∼9 rupees.

Therefore, the mean of the number of children is approximately 9 rupees.

solution