溜卑涵咖矩涡肮固放木嗜救农
对应课程:点击查看
起止时间:2021-03-17到2021-06-30
更新状态:每5天更新一次
Chapter 1 Introduction to statistics quizzes 1
1、 In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the（ ）
A:ordinal scale
B:nominal scale
C:ratio scale
D:interval scale
答案: nominal scale
2、 In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the（ ）
A:ordinal scale
B:nominal scale
C:ratio scale
D:interval scale
答案: nominal scale
3、 The nominal scale of measurement has the properties of the（ ）.
A:ordinal scale
B:only interval scale
C:ratio scale
D:None of these alternatives is correct.
答案: None of these alternatives is correct.
4、 The scale of measurement that is used to rank order the observation for a variable is called the（ ）.
A:ratio scale
B:ordinal scale
C:nominal scale
D:interval scale
答案: ordinal scale
5、 Some hotels ask their guests to rate the hotel’s services as excellent, very good, good, and poor. This is an example of the（ ）.
A:ordinal scale
B:ratio scale
C:nominal scale
D:interval scale
答案: ordinal scale
6、 The ordinal scale of measurement has the properties of the（ ）.
A:ratio scale
B:interval scale
C:nominal scale
D:ratio and interval scales
答案: nominal scale
7、 The ratio scale of measurement has the properties of（ ）.
A:only the ordinal scale
B:only the nominal scale
C:the rank scale
D:the interval scale
答案: the interval scale
8、 The interval scale of measurement has the properties of the（ ）.
A:ratio and nominal scales
B:ratio and ordinal scales
C:ratio scale
D:None of these alternatives is correct.
答案: None of these alternatives is correct.
9、 Data obtained from a nominal scale（ ）.
A:must be alphabetic
B:can be either numeric or nonnumeric
C:must be numeric
D:must rank order the data
答案: can be either numeric or nonnumeric
10、 The scale of measurement that has an inherent zero value defined is the（ ）.
A:ratio scale
B:nominal scale
C:ordinal scale
D:interval scale
答案: ratio scale
11、 Quantitative data refers to data obtained with a(n)（ ）.
A:ordinal scale
B:nominal scale
C:either interval or ratio scale
D:only interval scale
答案: either interval or ratio scale
12、 The entities on which data are collected are（ ）.
A:elements
B:populations
C:samples
D:None of these alternatives is correct.
答案: elements
13、 The set of measurements collected for a particular element is (are) called（ ）.
A:variables
B:observations
C:samples
D:None of these alternatives is correct.
答案: observations
14、 A characteristic of interest for the elements is called a(n)（ ）.
A:sample
B:data set
C:variable
D:None of these alternatives is correct.
答案: variable
15、 All the data collected in a particular study are referred to as the（ ）.
A:inference
B:variable
C:data set
D:None of these alternatives is correct.
答案: data set
16、 Another name for “observations” is（ ）.
A:views
B:variables
C:cases
D:None of these alternatives is correct.
答案: cases
17、 Quantitative data（ ）.
A:are always nonnumeric
B:may be either numeric or nonnumeric
C:are always numeric
D:None of these alternatives is correct.
答案: are always numeric
18、 Ordinary arithmetic operations are meaningful（ ）.
A:only with categorical data
B:only with quantitative data
C:either with quantitative or categorical data
D:None of these alternatives is correct.
答案: only with quantitative data
19、 Social security numbers consist of numeric values. Therefore, social security is an example of（ ）.
A:a quantitative variable
B:either a quantitative or a categorical variable
C:an exchange variable
D:a categorical variable
答案: a categorical variable
20、 For ease of data entry into a university database, 1 denotes that the student is an undergraduate and 2 indicates that the student is a graduate student. In this case data are（ ）.
A:categorical
B:quantitative
C:either categorical or quantitative
D:neither categorical nor quantitative
答案: categorical
21、 Data collected at the same, or approximately the same, point in time are（ ）.
A:time series data
B:approximate time series data
C:crossectional data
D:approximate data
答案: crossectional data
22、 Data collected over several time periods are（ ）.
A:time series data
B:time controlled data
C:crossectional data
D:time crossectional data
答案: time series data
23、 The summaries of data, which may be tabular, graphical, or numerical, are referred to as（ ）.
A:inferential statistics
B:descriptive statistics
C:statistical inference
D:report generation
如需购买完整答案，请点击下方红字：
获取更多中国大学慕课答案，请点击这里，进入mooc.mengmianren.com
京穿缅斗郴伶素伸删瘦尼秃订