Question

The mean age of 10 members in a committee
is 42.5 years. If a member of age 74 years
old retires, what is the mean age of the
remaining nine members?(data handling) ​

Answer 1

Answer:

39

Step-by-step explanation:

42.5  X  10=425= total age of all members

425-74= 351= toal age of 9 members

351/9=39

39 is the mean age of 9 members