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【单选题】
回归方程Y=2X+8,其中对回归系数解释正确的是()
A.
X减少一个单位，Y增加2个单位
B.
X增加一个单位，Y增加2个单位
C.
X减少一个单位，Y减少8个单位
D.
X增加一个单位，Y减少8个单位
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【简答题】When some 19th New Yorkers said 'Harlem', they meant almost all of Manhattan above 86th Street. Toward the end of the century, however, a group of citizens in upper Manhattan want, perhaps, to 【S1】___...
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【单选题】下列选项说法错误的是哪个？（）
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相关题目：
【多选题】Vector3三维向量的四个属性中,下面()属于它的属性。
A.
head
B.
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C.
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【单选题】When some 19th-century. New Yorkers said' Harlem', they meant almost all of Manhattan above Eighty-sixth Street. Toward the end of the century, however, a group of citizens in upper Manhattan — wantin...
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查看完整题目与答案
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【单选题】下列选项说法错误的是哪个？（）
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Excel是电子表格软件
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B.
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经济支撑功能
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情感交流功能
查看完整题目与答案