Question

The mean of the three numbers is 8. The mean of the other four numbers is 15. Find the mean of all the
numbers​

Answer 1

Answer:

3.6

Step-by-step explanation:

Mean of three numbers = 8

Mean of other four numbers = 15

Total no. of numbers = 8+15 = 23

Therefore Mean of all numbers = (8+15)/(3+4)

= 23/7

= 3.6