2021 statistics(浙江财经大学)1464011443 最新满分章节测试答案

文章目录[隐藏]

Chapter 1 Introduction to statistics quizzes1
Chapter 2 Descriptive Statistics：Summarizing data using tabular and graphical techniques quizzes2
Chapter 3 Descriptive Statistics：Summarizing data using numerical techniques quizzes3
Chapter 4 Probability and Distributions quizzes4
Chapter 5 Survey Sampling quizzes5
Chapter 6 Hypothesis Testing quizzes6
Chapter 7 Analysis of Variance quizzes7
Chapter 8 Correlation and Regression quizzes8
Chapter 9 Multiple Regression quizzes9
Chapter 10 Time Series Analysis and Forecasting quizzes10
Chapter 11 Index Numbers quizzes11

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2021-09-15到2021-12-31
本篇答案更新状态:已完结

Chapter 1 Introduction to statistics quizzes1

1、问题:In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the（）
选项：
A:A.ordinal scale
B:B.nominal scale
C:C.ratio scale
D:D.interval scale
答案: 【B.nominal scale】

2、问题:The nominal scale of measurement has the properties of the（）.
选项：
A:A.ordinal scale
B:B.only interval scale
C:C.ratio scale
D:D.None of these alternatives is correct.
答案: 【D.None of these alternatives is correct.】

3、问题:The scale of measurement that is used to rank order the observation for a variable is called the（）.
选项：
A:A.ratio scale
B:B.ordinal scale
C:C.nominal scale
D:D.interval scale
答案: 【B.ordinal scale】

4、问题:The ratio scale of measurement has the properties of（）.
选项：
A:A.only the ordinal scale
B:B.only the nominal scale
C:C.the rank scale
D:D.the interval scale
答案: 【D.the interval scale】

5、问题:The interval scale of measurement has the properties of the（）.
选项：
A:A.ratio and nominal scales
B:B.ratio and ordinal scales
C:C.ratio scale
D:D.None of these alternatives is correct.
答案: 【D.None of these alternatives is correct.】

6、问题:Data obtained from a nominal scale（）.
选项：
A:A.must be alphabetic
B:B.can be either numeric or nonnumeric
C:C.must be numeric
D:D.must rank order the data
答案: 【B.can be either numeric or nonnumeric】

7、问题:The scale of measurement that has an inherent zero value defined is the（）.
选项：
A:A.ratio scale
B:B.nominal scale
C:C.ordinal scale
D:D.interval scale
答案: 【A.ratio scale】

8、问题:Quantitative data refers to data obtained with a(n)（）.
选项：
A:A.ordinal scale
B:B.nominal scale
C:C.either interval or ratio scale
D:D.only interval scale
答案: 【C.either interval or ratio scale】

9、问题:The entities on which data are collected are（）.
选项：
A:A.elements
B:B.populations
C:C.samples
D:D.None of these alternatives is correct.
答案: 【A.elements】

10、问题:The set of measurements collected for a particular element is (are) called（）.
选项：
A:A.variables
B:B.observations
C:C.samples
D:D.None of these alternatives is correct.
答案: 【B.observations】

11、问题:The weight of a candy bar in ounces is an example of（）.
选项：
A:A.categorical data
B:B.either categorical or quantitative data
C:C.weight data
D:D.quantitative data
答案: 【D.quantitative data】

12、问题:The height of a building, measured in feet, is an example of（）.
选项：
A:A.categorical data
B:B.either categorical or quantitative data
C:C.feet data
D:D.quantitative data
答案: 【D.quantitative data】

13、问题:Income is an example of（）
选项：
A:A.a variable that uses the ratio scale
B:B.a variable that uses interval scale
C:C.categorical data
D:D.quantitative data
E:E.None of these alternatives is correct.
答案: 【A.a variable that uses the ratio scale;
D.quantitative data】

14、问题:Since a sample is a subset of the population, the sample mean（）.
选项：
A:A.is always smaller than the mean of the population
B:B.is always larger than the mean of the population
C:C.must be equal to the mean of the population
D:D.can be larger, smaller, or equal to the mean of the population
答案: 【D.can be larger, smaller, or equal to the mean of the population】

15、问题:In experimental studies, the variable of interest（）.
选项：
A:A.is not controlled
B:B.is controlled
C:C.must be numerical
D:D.cannot be numerical
答案: 【B.is controlled】

16、问题:On a street, the houses are numbered from 300 to 450. The house numbers are examples of（）.
选项：
A:A.categorical data
B:B.quantitative data
C:C.both quantitative and categorical data
D:D.neither quantatative nor categorical data
答案: 【A.categorical data】

17、问题:Which of the following can be classified as quantitative data?
选项：
A:A.The height of a building, measured in feet.
B:B.The weight of a candy bar in ounces.
C:C.Income in dollars.
D:D.Social security numbers.
E:E.None of these alternatives is correct.
答案: 【A.The height of a building, measured in feet.;
B.The weight of a candy bar in ounces.;
C.Income in dollars.】

18、问题:Which of the following variables use the interval scale of measurement?
选项：
A:A.social security number
B:B.temperature
C:C.height
D:D.income
E:E.latitude
答案: 【B.temperature;
E.latitude】

19、问题:Which scale of measurement can be either numeric or nonnumeric?
选项：
A:A.nominal
B:B.ratio
C:C.interval
D:D.ordinal
E:E.None of these alternatives is correct
答案: 【A.nominal;
D.ordinal】

20、问题:In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an （）.
选项：
A:A.ordinal scale
B:B.nominal scale
C:C.categorical variable
D:D.quantitative variable
E:E.None of these alternatives is correct.
答案: 【B.nominal scale;
C.categorical variable】

21、问题:Arithmetic operations are appropriate for（）
选项：
A:A.the ratio scale
B:B.the interval scale
C:C.categorical data
D:D.quantitative data
E:E.None of these alternatives is correct.
答案: 【A.the ratio scale;
B.the interval scale;
D.quantitative data】