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)
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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.觀測變量
B.控制變量
C.觀測變量的水平
D.控制變量的水平
A.一個
B.二個
C.三個
D.四個
最新試題
If the individual class frequency is divided by the total frequency, the result is the （）.
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，須開（）
最能反映離散程度的指標(biāo)是（）
某班的學(xué)習(xí)按考試成績分為60分以下，60-70，70-80，80-90，90-100，這種分組（）
One advantage of a stem and leaf plot over a frequency distribution is that （）.
Which of the following is not the goal of descriptive statistics?（）
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). Personnel records of 50 employees are selected for analysis. (The plant employs 250.) For this study, the average number days absent for these 50 employees is a （）.
The number of class intervals in a frequency distribution is usually between （）.
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 （）.
時間序列構(gòu)成因素有哪些？分解的基本原理和思路是什么？