Deviation - Hensa
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If the average value of data x1 , x2 , ..., x(/n) is x = ( x1 + x2 + ... + x(/n))/n, then the difference between each data x(/i) and the average value, x(/i) - x, is called the deviation of x(/i). From this, we can derive the mean deviation (average of the absolute values of the deviations), standard deviation, variance, etc. Source : Heibonsha Encyclopedia About MyPedia Information |
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資料x1，x2，…，x(/n)の平均値をx＝（x1＋x2＋…＋x(/n)）/nとするとき，各資料x(/i)と平均値の差x(/i)−xをx(/i)の偏差という。これから平均偏差（偏差の絶対値の平均），標準偏差，分散などが導かれる。
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