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statistics(浙江财经大学) - 刷刷题
statistics(浙江财经大学)
题数
188
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¥20
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章节目录
题目预览(可预览10题)
【单选题】
[1/188]If the estimate of the trend component is 158.2, the estimate of the season...
A.
1.53
B.
153,020,532
C.
1.53%
D.
153.02
参考答案:
D
参考解析:
【单选题】
[2/188]​In experimental studies, the variable of interest( ).​​​​​​​​​
A.
A.is not controlled
B.
B.is controlled
C.
D.cannot be numerical
D.
C.must be numerical
参考答案:
B
参考解析:
【单选题】
[3/188]Refer to Exhibit 7-2. The mean square between treatments equals​​
A.
8,294.4
B.
518.4
C.
288
D.
1,200
参考答案:
B
参考解析:
【单选题】
[4/188]The interquartile range is
A.
another name for the variance
B.
the difference between the largest and smallest values
C.
the 50th percentile
D.
the difference between the third quartile and the first quartile
参考答案:
D
参考解析:
【单选题】
[5/188]In a multiple regression analysis involving 12 independent variables and 16...
A.
0.878
B.
0.1220
C.
0.7317
D.
0.1389
参考答案:
A
参考解析:
【单选题】
[6/188]The quantity index is an index that is designed to measure changes in
A.
the ratio of quantity divided by price over time
B.
the ratio of price divided by quantity over time
C.
price over time
D.
quantity over time
参考答案:
D
参考解析:
【单选题】
[7/188]In regression analysis, if the independent variable is measured in pounds, the dependent variable ca...
A.
正确
B.
错误
参考答案:
A
参考解析:
【单选题】
[8/188]A regression analysis involved 8 independent variables and 99 observations....
A.
98 degrees of freedom
B.
7 degrees of freedom
C.
90 degrees of freedom
D.
97 degrees of freedom
参考答案:
C
参考解析:
【单选题】
[9/188]Cluster sampling is a non probability sampling method.
A.
正确
B.
错误
参考答案:
B
参考解析:
【单选题】
[10/188]The level of significance in hypothesis testing is the probability of​
A.
accepting a true null hypothesis
B.
accepting a false null hypothesis
C.
rejecting a true null hypothesis
D.
None of these alternatives is correct.
参考答案:
C
参考解析:
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