measures of central tendency the mean 什么意思 相关知识点: 试题来源: 解析 measures of central tendency the mean集中趋势的平均指标双语对照例句:1.Conversely, greenspan's qualitative assessment on inflation sounded moreacquiescent than the quantitative forecasts seen in the ce......
Which of the following is a measure of central tendency? A. Range B. Variance C. Mean D. Standard deviation 相关知识点: 试题来源: 解析 C。平均数(mean)是一种集中趋势的度量。极差(range)是描述数据分散程度的。方差(variance)和标准差(standard deviation)也是描述数据分散程度的。
There are many indices of the middle, or central tendency, of a set of numbers, including the mode, median, and mean. Indeed, there are, several "means," of which the arithmetic mean is only one. When data are skewed, or when there are outliers at one or both ends of the ...
The most common measure of central tendency is ___. A. mean B. median C. mode D. range 相关知识点: 试题来源: 解析 A。最常见的集中趋势度量是平均数(mean),中位数(median)和众数(mode)也比较常用,但最常见的是平均数。范围(range)不是集中趋势的度量。反馈...
Which of the following is NOT a measure of central tendency? A. Mean B. Median C. Mode D. Range 相关知识点: 试题来源: 解析 D。本题考查集中趋势的度量。平均数、中位数和众数都是集中趋势的度量。极差是反映数据离散程度的指标,不是集中趋势的度量。
Central tendency refers to the measure used to determine the “center” of a distribution of data. It is used to identify a single value that represents an entire data set the most. The major types of central tendency are the mean, median and mode.
A. central tendency B. variability C. distribution D. skewness 相关知识点: 试题来源: 解析 A。均值是集中趋势的一种度量。选项 A 正确。选项 B“variability”(变异性)用方差等指标衡量。选项 C“distribution”(分布)范围较大。选项 D“skewness”(偏度)是分布的形态特征。反馈...
导航mean|mode|median|sample的表达方式 Measures of Center measures of central tendency:the center or most typical value:average Mean:its arithmetic average;受极值影响;可以通过去掉极值减少极值的影响 Median:the middle value in its orderedlist,Constructing a stem-and-leaf diagram as a preliminary step ...
Decile mean: A new robust measure of central tendency We investigate the performances of some popular and commonly used measures of central tendency such as the mean, the median and the trimmed mean and ... S Rana,M Siraj-Ud-Doulah,H Midi,... - 《Chiang Mai Journal of Science》 被引...
Mean The mean is the most commonly-used measure of central tendency. When we talk about an "average", we usually are referring to the mean. The mean is simply the sum of the values divided by the total number of items in the set. The result is referred to as the arithmetic mean. So...