Question

If the average of 800 numbers is 25 and
including 67 new numbers, the average
raises to 52, then the approximate
average of the new numbers​

Answer 1

Answer:

average of 800 numbers is 25

sum of the numbers =800*25

=20000

800+67 numbers average is 25

sum of the numbers 21675

sum of the 67 new numbers 21675-20000

=1675

average = 1675/67

=25