Which of the following is a statistical question?A:What is the cafeteria serving for lunch on Wednesday?B:What type of sneakers do the students in my school prefer to wear?C:What is the meaning of the stars and stripes on the American Flag?
百度试题 结果1 题目The ___ is a statistical measure that shows the average of a data set.相关知识点: 试题来源: 解析 Mean 反馈 收藏
A:Statistical studies of this kind have not yet been carried out, and even if they were, the results would be sure to be complicated.B:It is likely for China to beat the United States in the application of AI, as local companies scramble to experiment with new ideas.C:...
is the average D. is the middle value 相关知识点: 试题来源: 解析 A。本题考查众数的概念。众数是一组数据中出现次数最多的数值。选项 B“has the highest sum”是和最大,与众数无关。选项 C“is the average”是平均数,与众数不同。选项 D“is the middle value”是中位数,不是众数。反馈 收藏 ...
Using statistical tables to show the data clearly D. Adding footnotes to E. xplain some special numbers 相关知识点: 试题来源: 解析 A。解析:在呈现统计结果时,过度四舍五入数字以至于丢失重要细节是最不准确的方式。选项B呈现带有合适小数位的精确数字是准确的做法。选项C使用统计表清晰地展示数据是很好...
(1996). Computational statistics or statistical comput- ing, is that the question? In: Computational Statistics and Data Analysis, Vol. 23, 191-193.LAURO, N.C. (1996): Computational statistics or statistical computing, is that the question? Computational Statistics and Data Analysis 23, 191-...
A. Cross-sectional analysis B. Time series analysis C. Chi-square test D. T-test 相关知识点: 试题来源: 解析 B。时间序列分析(Time series analysis)适用于分析时间序列数据。交叉截面分析用于分析不同个体在同一时间点的数据,卡方检验用于分析分类数据,T 检验用于比较两个独立组。反馈 收藏 ...
To analyze the distribution of scores in a class, which statistical method is suitable? A. Mean B. Median C. Mode D. Histogram 相关知识点: 试题来源: 解析 D。直方图可以直观地展示数据的分布情况,适合分析班级成绩的分布。均值、中位数和众数只能反映数据的集中趋势,不能展示分布情况。
also got a system also gu got this also has clock also i love you also in fujian provin also in love inside also including denmar also indicates that m also keep good postur also logo and favicon also need to study also often abhorrent also on wallace also put in malady also relativel...
The statistical analysis reveals that there is a positive correlation between study time and grades. What does “positive correlation” mean? A. no relationship B. negative relationship C. same relationship D. direct relationship 相关知识点: 试题来源: 解析 D。本题考查短语“positive correlation”...