[解析] [详解]考查时态和主谓一致。句意:到目前为止,已经用实际数据更新了几个统计示例,以帮助业务专业人员了解不断变化的市场。主语“several statistical examples”和动词“update”之间是被动关系,结合时间状语“So far”可知,此处应用现在完成时的被动语态,主语表示复数意义,故填have been updated。反馈...
Which of the following are examples of tests used to examine the statistical independence of past returns? A. Runs tests. B. Excess Return tests. C. Event study tests. 相关知识点: 试题来源: 解析 A Both the runs and the autocorrelation tests are used to examine the statistically independ...
These equations give you two values, or “fences“. You can think of them as a fence that cordons off the outliers from all of the values that are contained in the bulk of the data. Example question:Use Tukey’s method to find outliers for the following set of data: 1,2,5,6,7,...
Efron B. Three examples of computer intensive statistical inference. Sankhya A. 1988; 50: 338-362.Efron, B. (1988), "Three Examples of Computer-Intensive Statistical Infer- ence," Sankhya¯, 50, 338-362. (2003), "Robbins, Empirical Bayes, and Microarrays," The Annals of Statistics, 31...
Five tools of total quality management Practical skills of quality management to solve daily business problems.With the rapid spread of quality movement, many people spend a lot of time and effort in their own enterprises to implement quality management. However, they are often disappointed to find...
Typically, these examples have been seen as high-dimensional quirks or statistical fluctuations, leading researchers to seek robustness as a separate goal. However, the authors argue that adversarial fragility is a direct result of the dominant supervised learning paradigm, where models learn...
the answer to this question is based on the number of possible outcomes. here the possibility is either head or tail will be the outcome. so, the probability of a head to come as a result is 1/2. the probability is the measure of the likelihood of an event to happen. it measures ...
Example question:Calculate a paired t test by hand for the following data: Step 1:Subtract each Y score from each X score. Step 2:Add up all of the values from Step 1 then set this number aside for a moment. Step 3:Square the differences from Step 1. ...
A simple example of a definitive answer to a dichotomous question is: “Was your support issue resolved?”. It’s easily answered with a yes or no. For true or false, an example would be the one-word answer, “Is the sky blue?”. When using agree or disagree, a good example would...
What is the Survey Results Presentation?Definition: A Survey Results Presentation is a structured method of visually displaying and communicating the findings from a survey. It typically includes key insights, data trends, and statistical analyses presented through charts, graphs, and tables....