SOLUTIONS
The median is the middle value in a set of data. First, organize and order the data from smallest to largest. To find the midpoint value, divide the number of observations by two. If there are an odd number of observations, round that number up, and the value in that position is the median.
On the west region , we have 11 states
Rearranging the numbers of state in ascending order
17 , 31, 305 , 111, 21 , 6 , 41, 30, 5 , 37 , 15
Hence the correct answer for Median number of Brewers of west Missiumber of Brewers West of Mississippi.= 30