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?
The Pre-K-12 Guidelines for Assessment and Instruction in Statistics Education (GAISE) emphasizes the importance of distinguishing between a question that anticipates a deterministic answer and a question that anticipates an answer based on data that will vary, referred to as a statistical question....
Which of the following pronouns negates a statistical question?A:TheyB:ThemC:MyD:Thei
In a statistical report, which part usually presents the data analysis results? A. Introduction B. Methodology C. Results D. Conclusion 相关知识点: 试题来源: 解析 C。在统计报告中,结果部分通常呈现数据分析的结果。引言部分主要介绍背景等;方法部分描述分析方法;结论部分是总结。
Statistical studies suggest that___. A. courtroom testimony only confuses the jury B. in 83 percent of the cases, witnesses overestimate age by eight years C. witnesses are remarkably accurate D. testimony of people reporting what they see is often unreliable 相关...
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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”...
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Question: A statistical program is recommended.(a) Did the estimated regression equation that uses only the average number of passing yards per attempt as the independent variable to predict the percentage of games won provide a good fit? (Roun...
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 ...