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【简答题】
在中国知网中检索四川大学锦城学院师生在2015-2016年发表在北大版核心期刊上的学术论文,一共能检索到________篇,其中,老师发表的文章题目是《_________________》,其来源期刊名称是________。
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举一反三
【判断题】A summary measure that is computed from a sample to describe a characteristic of the population is called a statistic.
A.
正确
B.
错误
【单选题】A F-statistic is used to test the hypothesis that:
A.
MSE equals 0.
B.
two population variances are equal.
C.
a z-statistic is greater than 0.
D.
a z statistic less than a t statistic.
【判断题】A point estimate consists of a single sample statistic that is used to estimate the true population parameter.
A.
正确
B.
错误
【判断题】An assumption underlying the use of t -statistic in sample-based estimation is that the population is normally distributed.
A.
正确
B.
错误
【判断题】The difference between the sample statistic and actual value of the population parameter is the confidence level of the estimate.
A.
正确
B.
错误
【判断题】When a statistic calculated from sample data is used to estimate a population parameter, it is called a point estimate.
A.
正确
B.
错误
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