回复: 谁会计算器里的标准方差方法?
呵呵,正好我也是用的CASIO4500,9¯Jâ¨
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9¯Jâ¨
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1。按MODE键后,按3,在屏幕下方出现SD,进入到SD(统计模式)9¯Jâ¨
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2。输入数据前按2ndF+SCL+EXE清除以前统计存储的数据9¯Jâ¨
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3。输入数据,每输入一项数据均要按DT键(M+)。在输入负数时,先按(-)再按DT键9¯Jâ¨
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例输入 15,20,259¯Jâ¨
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输入方法:15 DT 20 DT 25 DT9¯Jâ¨
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输完后,按2ndF Xσn-1 EXE,得结果9¯Jâ¨
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9¯Jâ¨
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颜色与计算器上键名颜色一致9¯Jâ¨
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