z-score 意思 Z 分數指的是一個分數（或分數的平均值）與母體平均值的距離。Z 值越大，一個分數或樣本平均值與母體平均值的標準差就越多（Z 值為1 表示與母體平均值相差1 個 ...

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Z 分數 標準分 是一種統計度量 表示某一資料點距離樣本均值有多少個標準差 Z 分數被廣泛用於多個領域 包括金融 用以評估資料在正態分佈中出現的概率 標準分數 Standard Score 又稱z score 中文稱為Z 分數或標準分或標準計分 在統計學中是一種無因次值 就是一種純數字標記 是藉由從單一 原始 分數中減去母體的平均值 再依  z分数 z score 也叫标准分数 standard score 是一个数与平均数的差再除以标准差的过程 在统计学中 标准分数是一个观测或数据点的值高于被观测值或测量值的平均值的  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 2019年11月6日 Z分數為1的意思是小餅的分數比全班平均多了 1 個標準差 假設小美這次考70分 Z分數就是 1 也就是比平均數還少 1 個標準差 Z分數的正負可以判斷個人的成績 

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  • lucky7852
    5.0 out of 5 starsVerified Purchase
    Z分數- 教育百科
    Reviewed in the Thailand on July 6, 2025
    z分数（z-score），也叫标准分数（standard score）是一个数与平均数的差再除以标准差的过程。在统计学中，标准分数是一个观测或数据点的值高于被观测值或测量值的平均值的 ...
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  • player_4122
    1.0 out of 5 starsVerified Purchase
    Z分数_百度百科
    Reviewed in the Thailand on July 17, 2025
    2024年9月13日 — z 分數是一種使用標準化尺度來衡量每個資料值與平均數之差距的方法。Z 分數將原始資料轉換為z 分佈中的資料。z 分佈是一個平均數為0 且標準差為1 的常態 ...
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  • player3102
    1.0 out of 5 stars
    標準分數- 維基百科，自由嘅百科全書
    Reviewed in the Thailand on June 25, 2025
    Z 分數（標準分）是一種統計度量，表示某一資料點距離樣本均值有多少個標準差。 Z 分數被廣泛用於多個領域，包括金融，用以評估資料在正態分佈中出現的概率。
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