hi if anybody can help me with this please do so! label the answers on which question it is for ex. say number 11: *insert answer* !! Thank you!

Answer:
Number 10:
median= 5.5
mean= 7
mode= 5 and 6
range= 12
Number 11:
missing age is 14
Number 12:
18 should be the last missing number
Step-by-step explanation:
Answer:15
Step-by-step explanation:It would be 15 because it says in the sentence the mean of the age of 6 friends in 15 years, so it would mean that 15 is the answer