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
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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
A.發(fā)病率
B.性別
C.年齡段
D.居住地區(qū)
最新試題
某班的學習按考試成績分為60分以下,60-70,70-80,80-90,90-100,這種分組()
一個地區(qū)一定時期的商品零售額屬于()
Which of the following is not the goal of descriptive statistics?()
某廠某年職工勞動生產(chǎn)率為20000元,是歷史最高水平的1.2倍。這里的1.2倍是()
A cumulative frequency distribution would provide().
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 ().
If the individual class frequency is divided by the total frequency, the result is the ().
最能反映離散程度的指標是()
對某班級學生的生活狀況進行統(tǒng)計調(diào)查,下列標志中屬于不變標志的是()
為什么在計算平均指標的基礎(chǔ)上還有必要進一步計算變異指標?