Answer:
C
Explanation:
The median is the middle value of the data set arranged in ascending order.
If there is no exact middle value then the median is the mean of the 2 values on either side of the middle.
Consider the values as
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
↑ position of median
The median is the mean of the 6 th and 7 th values → C