Geometry
posted by Stephanie .
Business and finance. The following scores were recorded on a 200point final examination:
193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183.
(a) Find the mean final examination score.
(b) Find the median final examination score.
(c) Is the mean or median a more useful representative of the final examination
scores? Write a brief paragraph justifying your response.

a 176 is the mean
not sure on the rest, sorry 
Mean= The "mean" is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers.
Median= The "median" is the "middle" value in the list of numbers. To find the median, your numbers have to be listed in numerical order, so you may have to rewrite your list first.
For example:
take the set 1,2,5,4,2,3,7,4,1
Mean/average=
(1+2+5+4+2+3+5+4+1)
 = 3
9
Median= 1,1,2,2,3,4,4,5,5 so the middle number would be 3.
Now which do you think better represents the set of data?