The essay argues by presenting statistics. What argument method is used? A. Example B. Data analysis C. Comparison D. Definition 相关知识点: 试题来源: 解析 B。选项 A“Example”是举例;选项 B“Data analysis”是数据分析;选项 C“Comparison”是比较;选项 D“Definition”是定义。题干中文章通过...
In statistics, a sample is a subset of ___. A. the population B. a group C. people D. items 相关知识点: 试题来源: 解析 A。在统计学中,样本是总体的一部分。选项 A“the population”(总体)正确。选项 B“a group”(一组)不确切。选项 C“people”(人)太局限。选项 D“items”(物品)...
A. median of a population B. mean of a sample of observations C. standard deviation of a sample of observations 相关知识点: 试题来源: 解析 A A is correct. Any descriptive measure of a population characteristic is referred to as a parameter.【释义】人口特征的任何描述性度量都被称为参数。反...
题目Inferential statistics is used to _. A. describe a sample B. make inferences about a population C. present data in a graphical form D. collect data from a population 相关知识点: 试题来源: 解析 B。解析:推断性统计用于对总体进行推断,选项 A 描述样本不是其主要目的,选项 C 以图形形式呈现...
百度试题 结果1 题目6.Statistics(统计学)are asubject that is difficult tolearn.(改错) 相关知识点: 试题来源: 解析 6.are改为is解析:statistics虽以s结尾,但它表示的是一门学科,为单数,故将are变成is。 反馈 收藏
结果1 题目 In statistics, a sample is a subset of a population. A sample should be ___ to represent the population accurately. A. large B. small C. random D. ordered 相关知识点: 试题来源: 解析 C。解析:在统计学中,样本应该是随机的才能准确地代表总体。 反馈 收藏 ...
(1)statistics表示“统计学”时,为单数。 He is studying statistics. 他在学统计学。 Statistics is a rather modern branch of mathematics. 统计学是数学的一个相当现代的分支。 (2)statistics表示“统计数字”时,为复数。 Statistics show that there are more boys than girls at school. ...
Which of the following is an example of using data to support an argument in an essay? A. Telling a personal story. B. Presenting statistics about a topic. C. Making a comparison. D. Describing a scene. 相关知识点: 试题来源:
C. It helps to summarize properties of a group of data. D. It helps to make predictions using a sample of observations. 相关知识点: 试题来源: 解析 C解析:仔细比较四个选项。A“它将数量变量和质量变量结合起来了”,这误解了第二段中第二句话“either...or…”句型,要么是数量变量,要么是质量...
The test of independence, which asks a question of relationship, such as, “Is there a relationship between student gender and course choice?” The goodness-of-fit test, which asks a theoretical question such as, “How well does the coin in my hand match a theoretically fair coin?” ...