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【判断题】
八国联军是火烧圆明园的罪魁祸首。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】In the simple linear regression model, the population parameters of the y -intercept and the slope are estimated by:
A.
and
B.
and
C.
and
D.
and
【单选题】A prediction equation for sales and payroll was performed using simple linear regression. In the regression printout shown below, which of the following statements is/are not true?
A.
Payroll is a good predictor of Sales based on α = 0.05.
B.
There is evidence of a positive linear relationship between Sales and Payroll based on α = 0.05.
C.
Payroll is not a good predictor of Sales based on α = 0.01.
D.
The coefficient of determination is equal to 0.833333.
E.
Payroll is the independent variable.
【单选题】In the simple linear regression model, the y -intercept represents the:
A.
change in y per unit change in x .
B.
change in x per unit change in y .
C.
value of y when x = 0.
D.
value of x when y = 0.
【判断题】In a simple linear regression problem, if the coefficient of determination is 0.95, this means that 95% of the variation in the independent variable x can be explained by the regression line.
A.
正确
B.
错误
【简答题】飞机根据主舱的装载对象可分为()机、()机、()机。
【多选题】以下程序中是对财务报表列报的分类和可理解性认定的运用的有（）。
A.
检查存货的主要类别是否已披露
B.
检查是否将1年内到期的长期负债列为流动负债
C.
检查存货是否计提了足够的跌价准备
D.
检查是否将1年内到期的长期债券投资列为流动资产
【判断题】In order to estimate with 95% confidence a particular value of y for a given value of x in a simple linear regression problem, a random sample of 20 observations is taken. The appropriate table value ...
A.
正确
B.
错误
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