CH 4 - Measures of Central tendency
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7 Terms
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Central tendency
Refers to measures that relate to the center of a distribution of scores
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Mode (Mo)
value that appears most frequently in a data set
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Median (Mdn)
Middle number in a data set. Add up all the values then divide by 2
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Mean (x̄ or m)
average of a set of numbers
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Trimmed mean
Removes a small percentage of the highest and lowest values from a set of data
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Range
Distance from lowest score to highest (Y axis)
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Variance
How much the scores deviate from the mean
x - x̄
Note 
Flashcards (110)