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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
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