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變異數與標準差 經驗法則(Empirical Rule). 若原資料呈對稱如吊鐘型的分佈,則經變數變換後的Z分數會變為對稱於零的吊鐘型分配,且分配的型態固定(不因標準差的大小而有不同), ...
T Score - T分數 - 學術名詞暨辭書資訊網 - 國家教育研究院 其計算公式是: T=10z+50=10[(X-M)/SD]+50 原始分數轉換成T分數後,其平均 數為五十,標準差為十。T分數的解釋和Z ...
Z分數 如何用Excel計算Z分數及T分數. Z 分數的公式= – 指原始分數減去其平均數,再除以 標準差後所得到的新分數. – 表示該原始 ...
Z轉換公式 - 臺灣大學計算機及資訊網路中心C&INC, NTU 中文名稱: Z分數(標準分數) 英文名稱: Z score (standard score) 定義: 將變項之觀察值減去其母體平均數後再除以其母體標準差所得的值。 亦即將觀察值與母體平均數之間的距離,以標準差為單位來計算。
標準分數- 维基百科,自由的百科全书 標準分數(Standard Score,又稱z-score,中文稱為Z-分數或标准化值)在統計學中是一種無因次值,是藉由 ...