A.3 and 5
B.7 and 9
C.5 and 15
D.1 and 25
您可能感興趣的試卷
你可能感興趣的試題
A.an ogive
B.a histogram
C.a frequency polygon
D.a stem and leaf plot
A.midpoint frequency
B.cumulative frequency
C.stem and leaf plot
D.relative frequency
A.ogive
B.histogram
C.frequency distribution
D.stem and leaf plot
A.Summarising data
B.Displaying aspects of the collected data
C.Reporting numerical findings
D.Estimating characteristics of the population
A.descriptive statistics
B.inferential statistics
C.nonparametric statistics
D.wishful thinking
最新試題
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？
Which of the following is not the goal of descriptive statistics?（）
對全國各鐵路交通樞紐的貨運量、貨物種類等進行調(diào)查，以了解全國鐵路貨運概況。這種調(diào)查屬于（）
Which of the following statements is not true？（）
變量數(shù)列中，各組頻率之和應（）
為什么在計算平均指標的基礎上還有必要進一步計算變異指標？
The number of phone calls arriving at a switchboard each hour has been recorded and the following frequency distribution has been developed.What is the cumulative frequency of the third class？（）
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（）
品合格率指標是（）
A cumulative frequency distribution would provide（）.