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SDCalc

Weighted Average Calculator: Mean, Spread, and Standard Deviation from Weighted or Repeated Values

Calculate the average and spread of weighted data by entering raw values or frequency-expanded repeated values. Use the results with mean, variance, standard deviation, standard error, count, min, max, and range for quick statistics checks.

12 values
即時運算
樣本 (n-1) / 母體 (N)

當數據為較大母體的子集時使用。將套用貝塞爾修正。

未偵測到數據

在標準差計算器面板中輸入數字,即可即時查看統計結果、變異數及常態分布圖表。