茎叶图 stem-and-leaf plot 看分布情况 Stem代表高位(这里是十位),Leaf代表低位(这里是个位) 也就是说大家的得分是 0 0 2 4 7 7 9 11 11 13 18 20. 12. 箱线图 box-and-whiskers 3个四分位点,最大值 最小值,第一个四分位点和我第三个四分位点之间的50%数据放在盒中 。箱线图可以看出数据的...
该章主要讲了,数据类型(types of data),茎叶图(steam-and-leaf diagram),直方图(histogram),箱线图(box plot),累计频率分布图(cumulative frequency graph)和主要的统计指标,中位数(median),众数(mode),平均值(mean),方差(variance)以及分位数(quartile)。 这个章节应该掌握的是上述四种图的画法,注意茎叶图需...
称为叶Stem-and-LeafDisplay茎叶显示.PPT,z -Score of Smallest Value (425) Example: Apartment Rents 房屋租金例 实际举例 Chebyshev’S Theorem 切贝晓夫定理 至少 (1 - 1/k 2) 个数据落在平均数 k 倍标准差范围内,其中:k 是大于1的任何数值 至少75%的数据落在平均数的
368Chapter 6 Solving and Graphing Linear InequalitiesStem-and-Leaf Plotsand Mean, Median, and ModeMAKING STEM-AND-LEAF PLOTSA order numerical data.is an arrangement of digits that is used to display andMaking a Stem-and-Leaf PlotThe following data show the ages of the 27 residents of Alcan...
Stem and Leaf Plot | Definition, Steps & Examples Lesson Additional Info Laura Foist, Elizabeth Teague Author Laura Foist Laura has a Masters of Science in Food Science and Human Nutrition and has taught college Science. View bio Instructor Elizabeth Teague ...
There are 7 values in the third row, and the cumulative count is now 16. The median is the fourth row, and its value is 130. The method of determining the median is discussed later. Example 3.7 Here is a stem-and-leaf plot to compare SBP (mmHg) readings of the following males and...
称为叶Stem-and-LeafDisplay茎叶显示图5.ppt,z -Score of Smallest Value (425) Example: Apartment Rents 房屋租金例 实际举例 Chebyshev’S Theorem 切贝晓夫定理 至少 (1 - 1/k 2) 个数据落在平均数 k 倍标准差范围内,其中:k 是大于1的任何数值 至少75%的数据落在平均
median, mode, and range of the data set. Stems Leaves 2 2 4 8 8 8 9 9 3 0 2 2 4 6 6 8 4 1 1 4 6 5 0 2 a. least value: 22 greatest value: 52 mean: 33 median: 35 mode: 28 range: 30 c. least value: 22greatest value: 52 mean: 28 median: 30 mode: 33 range: ...
1、Stem and Leaf Diagram,People were asked their age as they entered a health centre.,Their ages were: 25, 28, 21, 17, 33, 15, 26, 31, 20, 21 and 18.,The data recorded can be shown in a stem and leaf diagram also referred to as a Stem Plot.,1,5 7 8,2,0 1 1 5 6 ...
Youcouldmakeastem-and-leafplotforthesamedata:Astemandleafdiagramshowsnumbersinatableformat.Itcanbeausefulwaytoorganisedatatofindthemedian,modeandrangeofasetofdata.Theonebelowshowstheagesofthe91cyclistssurveyed.Thisisaquickwayofgroupingthedatasothatyoucanseetheirdistributionandstillhaveaccesstotheoriginalfigures....