Posted by Deb on Thursday, December 18, 2008 at 2:40pm.
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

Math 115 8.1 #36  bobpursley, Thursday, December 18, 2008 at 3:10pm
To get median, put the scores in order. Then on the eighth number (there are 15 data points), that is the median: half below, half above.
For the mean, add them, and divide by 15
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