Protected: Lecture 11： 散布度（偏差、平均偏差、分散、標準偏差)
October 12, 2023
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Protected: Lecture 10：平均の種類2, 代表値の位置関係
October 12, 2023
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Protected: Lecture 9：平均の求め方、平均の種類1
October 12, 2023
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Protected: Lecture 8： 代表値の条件、平均の性質
October 12, 2023
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Protected: Lecture 7 : 相対度数(％)、入力データの形式、度数分布の形
October 12, 2023
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Protected: Lecture 6：エクセル関数（sum(if)、四捨五入roundなど）
October 12, 2023
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Protected: Lecture 5：エクセル関数（if, and, 複数条件など）
October 12, 2023
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Protected: Lecture 4：手集計、エクセルの基本操作、データ入力
October 12, 2023
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Protected: Lecture 3：何がわかる、集計時の注意点
October 10, 2023
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