Question

Find the average age of five members of your household

Find the average age of five members of your household​

Answer 1

Answer:

Maths

Statistics

Mean of Grouped Data

In a family of 6 members, t...

STATISTICS

In a family of 6 members, the average age of the family at present is 25 while the age of the youngest member in the family is 5yrs, so what will be the average age of the family at the time of his birth ?

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ANSWER

Average age of 6 family member is 25.

∴ Total age of 6 family member =6×25=150years

The age of youngest member is 5years

⇒ Total age of 6 family member at the times of youngest birth =150−(5×6)

=150−30

=120years

∴ Average age of family at time of youngest birth =

6

120

=20years