Homework Help: Math

Posted by Stephanie on Saturday, April 4, 2009 at 3:04pm.

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.

Math - Kara, Saturday, April 4, 2009 at 3:23pm
To find the mean add up all the numbers and then divide by how many numbers there are.

Median: First place all your numbers in order from least to greatest. Since you have an odd amount of numbers you will take the two middle numbers add them together then divide by two
Math - Reiny, Saturday, April 4, 2009 at 5:10pm
Kara, if you have an odd amount of numbers, there will be a "middle" number

adding up the two middle numbers and dividing by 2 is done when you have an even count of numbers.

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