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Averages

Averages. Mean. The mean is the average, where you add up all the numbers and then divide by the amount of numbers e.g. 5+3+4+2+1= 15 15/5=3 so the mean is 3. Median.

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Averages

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  1. Averages

  2. Mean • The mean is the average, where you add up all the numbers and then divide by the amount of numbers e.g. 5+3+4+2+1= 15 15/5=3 so the mean is 3

  3. Median • The median is the middle value in the list of numbers. To find the median, your numbers have to be listed in order, so you may have to rewrite your list firste.g. 1,2,3,5,4,5,6 the median 5

  4. Mode • The mode is the value that occurs most often. If no number is repeated, then there is no mode for the liste.g. 5,8,9,4,4,3,4 4 comes up the most so the mode is 4

  5. Range • The range is the difference between the largest and smallest values. 10,5,3,7,6,1 10-1=9 so the range is 9

  6. Video http://www.youtube.com/watch?v=5C9LBF3b65s

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