Homework Help: math

Posted by AUI on Monday, August 13, 2007 at 6:54am.

Business and finance. The following scores were recorded on a 200-point 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.

To find the mean you need to add together all of the numbers, and then divide this total by the number in the set (in this case 15).

To find the median you must put the numbers in order and then see which one is in the middle position (in this case, the 8th value).

To say which one is more useful, which one is closer to the bulk of the scores? Which one tells you most about the scores?

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