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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 dy the number of the data values. 2,3,4 2+3+4= 9 9/3= 3
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range
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diffeerence between the largest and smallest number in data
ex. 1,4,7,9, = 9-1 = 8 is the range |
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median
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the median number when data values are written in order
9,1,7,4,5= 1,4,5,7,9=5 is the medain |
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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 valud 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 medin and mode
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