statistics(浙江财经大学) 中国大学mooc答案满分完整版章节测试

屎阀撵鹤赶删缸标肪埠龋蹿督

Chapter 1 Introduction to statistics quizzes1

1、 In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the（ ）

答案: B.nominal scale

2、 The nominal scale of measurement has the properties of the（ ）.

答案: D.None of these alternatives is correct.

3、 The scale of measurement that is used to rank order the observation for a variable is called the（ ）.

答案: B.ordinal scale

4、 The ratio scale of measurement has the properties of（ ）.

答案: D.the interval scale

5、 The interval scale of measurement has the properties of the（ ）.

答案: D.None of these alternatives is correct.

6、 Data obtained from a nominal scale（ ）.

答案: B.can be either numeric or nonnumeric

7、 The scale of measurement that has an inherent zero value defined is the（ ）.

答案: A.ratio scale

8、 Quantitative data refers to data obtained with a(n)（ ）.

答案: C.either interval or ratio scale

9、 The entities on which data are collected are（ ）.

答案: A.elements

10、 The set of measurements collected for a particular element is (are) called（ ）.

答案: B.observations

11、 The weight of a candy bar in ounces is an example of（ ）.

答案: D.quantitative data

12、 The height of a building, measured in feet, is an example of（ ）.

答案: D.quantitative data

13、 Income is an example of（ ）

答案: A.a variable that uses the ratio scale;
D.quantitative data

14、 Since a sample is a subset of the population, the sample mean（ ）.

答案: D.can be larger, smaller, or equal to the mean of the population

15、 In experimental studies, the variable of interest（ ）.

答案: B.is controlled

16、 On a street, the houses are numbered from 300 to 450. The house numbers are examples of（ ）.

答案: A.categorical data

17、 Which of the following can be classified as quantitative data?

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、 Which of the following variables use the interval scale of measurement?

答案: B.temperature;
E.latitude

19、 Which scale of measurement can be either numeric or nonnumeric?

答案: A.nominal;
D.ordinal

20、 In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an （ ）.

答案: B.nominal scale;
C.categorical variable

21、 Arithmetic operations are appropriate for（ ）

答案: A.the ratio scale;
B.the interval scale;
D.quantitative data