Mean, Median, Mode, and Range
Posted: March 28th, 2011, 9:30 pmMean: the average. add up all the numbers, divide by the number of numbers.
Median: the middle value of the list of numbers that are ORDERED
Mode: the value that occurs most often
Range: Largest value minus the smallest.
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13, 18, 13, 14, 13, 16, 14, 21, 13
Mean:
(13 + 18 + 13 + 14 + 13 + 16 + 14 + 21 + 13) ÷ 9 = 15
Median:
13, 13, 13, 13, 14, 14, 16, 18, 21
Mode:
13 because it appears most often
Range:
21 is the largest; 13 is the smallest. 21 − 13 = 8
Median: the middle value of the list of numbers that are ORDERED
Mode: the value that occurs most often
Range: Largest value minus the smallest.
[/hr]
13, 18, 13, 14, 13, 16, 14, 21, 13
Mean:
(13 + 18 + 13 + 14 + 13 + 16 + 14 + 21 + 13) ÷ 9 = 15
Median:
13, 13, 13, 13, 14, 14, 16, 18, 21
Mode:
13 because it appears most often
Range:
21 is the largest; 13 is the smallest. 21 − 13 = 8