A.Normal
B.Uniform
C.Poisson
D.Exponential
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A.卡方檢驗(yàn)
B.二項(xiàng)分布檢驗(yàn)
C.單樣本K－S檢驗(yàn)
D.隨機(jī)性檢驗(yàn)
A.必須是二值變量
B.必須是定距型變量
C.可以是二值變量，也可以是定距型變量
A.Analyze→General Linear Model→Univariate
B.Analyze→Compare Means→One-Samples T Test
C.Analyze→Compare Means→Independent-Samples T Test
D.Analyze→Compare Means→One-Way ANOVA
A.Contrasts
B.Post Hoc
C.Options
D.Paste
A.觀測(cè)變量
B.控制變量
C.觀測(cè)變量的水平
D.控制變量的水平
最新試題
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). The average number of absences per employee, calculated from the personnel data of all employees, is a （）.
Descriptive statistics deals with methods of（）
某企業(yè)2018年技術(shù)工占50%，2019年新招收了一批學(xué)徒工，使學(xué)徒工的比重增加了10%。假定全廠各級(jí)工資水平均無(wú)變化，則2019年職工總平均工資將（）
以2000年a0為最初水平，2016年an為最末水平，計(jì)算鋼產(chǎn)量的年平均發(fā)展速度時(shí)，須開(kāi)（）
A cumulative frequency polygon is also called （）.
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
A student achieves an 82 on the first test in a statistics course. From this, she assumes that her average at the end of the semester (after other tests) will be about 82. This is an example of （）.
One advantage of a stem and leaf plot over a frequency distribution is that （）.
如果居民按報(bào)告期價(jià)格購(gòu)買商品需多支出40萬(wàn)元，報(bào)告期商品銷售額為200萬(wàn)元，則價(jià)格指數(shù)為（）
A summary measure that is computed from a sample to describe a characteristic of the population is called（）