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【简答题】
ABC运输公司, 2019 年拥有载货汽车 30 辆,整备质量吨位为 2 吨;拥有大客车 15 辆,小汽车 6 辆。当地规定载货汽车年纳税额每吨 60 元,大客车年纳税额每辆 500 元,小汽车每辆 400 元。试计算该公司 2019 年应纳车船税税额。
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皮皮学刷刷变学霸
举一反三
【单选题】In calculating the regression equation linking two variables, the standard formulae for the regression coefficients are given in terms of X and Y. Which of the following is true?
A.
X must be the variable which will be forecast
B.
It does not matter which variable is which
C.
Y must be the dependent variable
D.
Y must be the variable shown on the vertical axis of a scatter diagram
【判断题】The coefficient of determination gives the proportion of the variability in the dependent variable that is explained by the regression equation.
A.
正确
B.
错误
【简答题】谷文昌和焦裕禄分别是在福建的 和 的兰考治理风沙。兰考除了风沙之外还有的自然灾害是 和 。
【简答题】科技查新的类型有哪些?科技查新的流程有哪些?
【单选题】Changing the unit of measurement of any independent variable, where log of the dependent variable appears in the regression:
A.
affects only the intercept coefficient.
B.
affects only the slope coefficient.
C.
affects both the slope and intercept coefficients.
D.
affects neither the slope nor the intercept coefficient.
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