Here is a list of numbers.

12
15
14
17
22
19
13

Bridgit says,
“To work out the median you find the middle number,
so the median of these numbers is 17"
Bridgit's answer is not correct.

(A) What is wrong with Bridgit's method?

(B) Work out the range of the numbers in the list.

(C) Work out the mean of the numbers in the list.​