A. The average value. B. The most frequently occurring value. C. The sum of all values. D. The difference between the highest and lowest values. 相关知识点: 试题来源: 解析 B。“mode”在统计语境下指的是众数,即一组数据中出现次数最多的值。选项 A 是平均数;选项 C 是所有值的总...
The range of a set of data is 20. What does "range" mean? A. The average of the data. B. The middle value of the data. C. The difference between the highest and lowest values. D. The sum of all values. 相关知识点: 试题来源: 解析 C。“range”在统计语境下指的是极差,即一...
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What does it mean when we say a test statistic is conservative? It is appropriate to delete all outliers in a data set that are apparent in a scatterplot? Explain. What is a confounding variable? What is representative sampling? What is the meaning of regression in Mathematics?
<ds:data_value>25.30</ds:data_value></rdf:Description> Each format provides the same core information but does so in a way different from the others. When a data set is available in multiple formats,data scientistsand other users can choose whichever format best meets their needs for a spe...
A. the spread of the data around the mean B. the total number of data points C. the highest value in the data set D. the lowest value in the data set 相关知识点: 试题来源: 解析 A。“standard deviation”是标准差的意思,衡量数据围绕均值的分散程度。B 选项是数据点的总数;C 选项是数据...
A data set has the numbers 5, 8, 10, 12, and 15. What is the mean of these numbers? A. 8 B. 10 C. 12 D. 15 相关知识点: 试题来源: 解析 B。本题考查平均数的计算。平均数等于所有数的和除以数的个数,(5 + 8 + 10 + 12 + 15)÷5 = 10。
1. What does format disk mean on USB? Format disk on USB means you manage the data and free more space to store information. In addition, it can create a filing system to maximize the space. 2. When should I format my disk?
Variance is a statistical measurement of the spread between numbers in a data set. It measures how far each number in the set is from themean(average), and thus from every other number in the set. Variance is often depicted by this symbol: σ2. It is used by both analysts and traders...
What Does KPI Mean? A KPI is a key performance indicator: data that has been collected, analyzed, and summarized to help decision-making in a business. KPIs may be a single calculation or value that summarizes a period of activity, such as “450 sales in October.” By themselves, KPIs ...