A.發(fā)病率
B.性別
C.年齡段
D.居住地區(qū)
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A.Analyze→Compare Means→Means
B.Analyze→Compare Means→One-Samples T Test
C.Analyze→Compare Means→Independent-Samples T Test
D.Analyze→Compare Means→Paired-Samples T Test
A.Analyze→Descriptive Statistics→Frequencies
B.Analyze→Descriptive Statistics→Descriptives
C.Analyze→Descriptive Statistics→Crosstabs
D.Analyze→Descriptive Statistics→Ratio
A.Dichotomies
B.Categories
C.Counted
D.Range
A.Exact
B.Statistics
C.Cells
D.Format
A.Median
B.Skewness
C.Kurtosis
D.Std. Deviation
最新試題
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
一個地區(qū)一定時期的商品零售額屬于（）
時間序列構成因素有哪些？分解的基本原理和思路是什么？
某企業(yè)2018年技術工占50%，2019年新招收了一批學徒工，使學徒工的比重增加了10%。假定全廠各級工資水平均無變化，則2019年職工總平均工資將（）
要了解某地區(qū)全部大學生的就業(yè)情況，那么（）
品合格率指標是（）
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 （）.
If the individual class frequency is divided by the total frequency, the result is the （）.
One advantage of a stem and leaf plot over a frequency distribution is that （）.
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 （）.