When we want to compare the central tendency of two different data sets, we can use ___. A. mean B. median C. mode D. any of the above 相关知识点: 试题来源: 解析 D。本题考查比较两组不同数据集的集中趋势的方法。平均数、中位数和众数都可以用来比较集中趋势,具体使用哪种方法取决于数据...
In addition, the mean is the only measure of central tendency where the sum of the deviations of each value from the mean is always zero. When not to use the mean The mean has one main disadvantage: it is particularly susceptible to the influence of outliers. These are values that are ...
Which of the following measures of central tendency is most appropriate when analyzing nominal data() A. Only mode. B. Only median. C. Both mode and median. 相关知识点: 试题来源: 解析 A 例如把共同基金分成不同的类型并给予一个数字来代表该类型,这些分类数据的众数就代表最经常出现的共同基金...
ANOVA (Analysis of Variance) is a statistical test used to analyze the difference between the means of more than two groups. A two-way ANOVA is used to estimate how the mean of a quantitative variable changes according to the levels of two categorical variables. Use a two-way ANOVA when ...
The measure of central tendency (mean or median) that is used to estimate lower developmental temperatures and required thermal summations is another factor that pest managers can control when developing phenology models from field studies. Here, we show that predictions that were made when using ...
The central tendency of the data C. The frequency of each value D. The total sum of the data 相关知识点: 试题来源: 解析 A。方差(variance)用于衡量数据的离散程度,即数据的分布有多分散。选项 B 中“the central tendency of the data”指的是数据的集中趋势;选项 C 中“the frequency of each ...
不承诺放弃使用武器 not undertake to renounce the use of force 不打不成交 No discord, no concord. 不分h 卜的总统选举结果 the neck-and-neck presidential election result 《不见不散》Be there or be square. 不可再生资源 non-rcncwablc resources 不良贷款 non-performing loan 不夜城 sleepless city...
aWhen subjects directly infer the central tendency of a population by specifying a value on a continuum of possible values, the inference must in some way represent all the values in the population. 当主题通过指定价值直接地推断人口的中央倾向时在可能的价值连续流,推断在人口必须在某个方面代表所有价...
to form words; (4) syntax: it studies the rules which govern how words are combined to form grammatically permissible sentences in languages; (5) semantics: it studies meaning conveyed by language; (6) pragmatics: it studies the meaning in the context of language use. 3. In what basic ...
Describe what type of data would lead you to choosing the mode over the mean or median. Mode The mode is the most frequent value of the data series, it is also one of the measure of the descriptive statistics, this measure ...