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Temperature is an example of


A) a categorical variable
B) a quantitative variable
C) either a quantitative or categorical variable
D) neither a quantitative nor categorical variable

Correct Answer

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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

Correct Answer

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Exhibit 1-3 Part of the data bank of a corporation is shown below. Exhibit 1-3 Part of the data bank of a corporation is shown below. -Refer to Exhibit 1-3.Employee Number is an example of ________ data. A) nominal B) ordinal C) interval D) ratio -Refer to Exhibit 1-3.Employee Number is an example of ________ data.


A) nominal
B) ordinal
C) interval
D) ratio

Correct Answer

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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.

Correct Answer

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Categorical data


A) must be numeric
B) must be nonnumeric
C) cannot be numeric
D) may be either numeric or nonnumeric

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Data collected over several time periods are


A) time series data
B) time controlled data
C) crossectional data
D) time crossectional data

Correct Answer

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How many scales of measurement exist?


A) 1
B) 2
C) 3
D) 4

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The scale of measurement that is simply a label for the purpose of identifying the attribute of an element is the


A) ratio scale
B) nominal scale
C) ordinal scale
D) interval scale

Correct Answer

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The Department of Transportation of a city has noted that on the average there are 17 accidents per day.The average number of accidents is an example of


A) descriptive statistics
B) statistical inference
C) a sample
D) a population

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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

Correct Answer

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Income is an example of


A) categorical data
B) either categorical or quantitative data
C) dollar data
D) quantitative data

Correct Answer

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Statistical inference


A) refers to the process of drawing inferences about the sample based on the characteristics of the population
B) is the same as descriptive statistics
C) is the process of drawing inferences about the population based on the information taken from the sample
D) is the same as a census

Correct Answer

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


A) categorical variable
B) quantitative variable
C) categorical or quantitative variable,depending on how the respondents answered the question
D) None of these alternatives is correct.

Correct Answer

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Five hundred residents of a city are polled to obtain information on voting intentions in an upcoming city election.The five hundred residents in this study is an example of a(n)


A) census
B) sample
C) observation
D) population

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The following table shows the starting salaries of a sample of recent business graduates. The following table shows the starting salaries of a sample of recent business graduates. a.What percentage of graduates in the sample had starting salaries of at least $30,000? b.Of the graduates in the sample,what percentage had starting salaries of less than $25,000? c.Based on this sample,what percentage of all business graduates do you estimate to have starting salaries of at least $20,000? a.What percentage of graduates in the sample had starting salaries of at least $30,000? b.Of the graduates in the sample,what percentage had starting salaries of less than $25,000? c.Based on this sample,what percentage of all business graduates do you estimate to have starting salaries of at least $20,000?

Correct Answer

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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

Correct Answer

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Income is an example of a variable that uses the


A) ratio scale
B) interval scale
C) nominal scale
D) ordinal scale

Correct Answer

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The ordinal scale of measurement has the properties of the


A) ratio scale
B) interval scale
C) nominal scale
D) ratio and interval scales

Correct Answer

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