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6 Cards in this Set
- Front
- Back
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Mean
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the sum of the data values divided by the number of data values. 2,3,4 2+3+4=9 9/3= 3 (average)
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Range
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difference between the largest and smallest number in data
ex. 1,4,7,9 = 9-1=8 8 is the range |
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Median
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the middle number when data values are written in order
9,1,7,4,5= 1,4,5,7,9= 5 is the median |
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Mode
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a data item that occurs most often. 3,3,4,4,5,5,5,8,1,1,1,1,
Mode=1 |
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Outlier
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a data value that is much greater than or less than the other data values. 1,2,3,20
20 is the outlier |
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Measures of Central Tendency
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mean, median, and mode
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