Question 1

Quantitative data refers to data obtained with a(n)

Accepted Answer

A) ordinal scale 
B) nominal scale 
C) either interval or ratio scale 
D) only interval scale 
A) ordinal scale 
B) nominal scale 
C) either interval or ratio scale 
D) only interval scale

Question 2

Arithmetic operations are inappropriate for

Accepted Answer

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

Question 3

Methods for developing useful decision-making information from large data bases is known as

Accepted Answer

A) data manipulation 
B) data monitoring 
C) data base conversion 
D) data mining 
A) data manipulation 
B) data monitoring 
C) data base conversion 
D) data mining

Question 4

Arithmetic operations are inappropriate for

Accepted Answer

A) categorical data 
B) quantitative data 
C) both categorical and quantitative data 
D) large data sets 
A) categorical data 
B) quantitative data 
C) both categorical and quantitative data 
D) large data sets

Question 5

Exhibit 1-5
The following is a frequency distribution of the monthly expenditures for long distance telephone service of 200 households in Chattanooga.  
-Refer to Exhibit 1-5. What is the cumulative relative frequency of the 2nd class?

Accepted Answer

A) .32 
B) .64 
C) .36 
D) .53 
A) .32 
B) .64 
C) .36 
D) .53

Question 6

Census refers to

Accepted Answer

A) an experimental study to collect data on the entire population 
B) an experimental study to collect data on a sample 
C) a survey to collect data on a sample 
D) a survey to collect data on the entire population 
A) an experimental study to collect data on the entire population 
B) an experimental study to collect data on a sample 
C) a survey to collect data on a sample 
D) a survey to collect data on the entire population

Question 7

In Excel, a worksheet that displays the data for the problem and shows the results of the analysis is

Accepted Answer

A) a formula worksheet 
B) a value worksheet 
C) an absolute worksheet 
D) a descriptive worksheet 
A) a formula worksheet 
B) a value worksheet 
C) an absolute worksheet 
D) a descriptive worksheet

Question 8

Exhibit 1-1
In a recent study based upon an inspection of 200 homes in Daisy City, 80 were found to violate one or more city codes.
-Refer to Exhibit 1-1. The manager's statement that 40% of Daisy City's 2,000 homes are in violation of city codes is

Accepted Answer

A) an exactly correct statement 
B) only an approximation, since it is based upon sample information 
C) obviously wrong, since it is based upon a study of only 200 homes 
D) None of these alternatives is correct. 
A) an exactly correct statement 
B) only an approximation, since it is based upon sample information 
C) obviously wrong, since it is based upon a study of only 200 homes 
D) None of these alternatives is correct.

Question 9

Income is an example of

Accepted Answer

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

Question 10

Exhibit 1-3
Part of the data bank of a corporation is shown below.
  
-Refer to Exhibit 1-3. Gender is an example of ________ data.

Accepted Answer

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

Question 11

Data obtained from a nominal scale

Accepted Answer

A) must be alphabetic 
B) can be either numeric or nonnumeric 
C) must be numeric 
D) must rank order the data 
A) must be alphabetic 
B) can be either numeric or nonnumeric 
C) must be numeric 
D) must rank order the data

Question 12

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

Accepted Answer

A) categorical data 
B) quantitative data 
C) both quantitative and categorical data 
D) neither quantatative nor categorical data 
A) categorical data 
B) quantitative data 
C) both quantitative and categorical data 
D) neither quantatative nor categorical data

Question 13

Social security numbers consist of numeric values. Therefore, social security is an example of

Accepted Answer

A) a quantitative variable 
B) either a quantitative or a categorical variable 
C) an exchange variable 
D) a categorical variable 
A) a quantitative variable 
B) either a quantitative or a categorical variable 
C) an exchange variable 
D) a categorical variable

Question 14

The process of analyzing sample data in order to draw conclusions about the characteristics of a population is called

Accepted Answer

A) descriptive statistics 
B) statistical inference 
C) data analysis 
D) data summarization 
A) descriptive statistics 
B) statistical inference 
C) data analysis 
D) data summarization

Question 15

Another name for "observations" is

Accepted Answer

A) views 
B) variables 
C) cases 
D) None of these alternatives is correct. 
A) views 
B) variables 
C) cases 
D) None of these alternatives is correct.

Question 16

Statistical studies in which researchers do not control variables of interest are

Accepted Answer

A) experimental studies 
B) uncontrolled experimental studies 
C) not of any value 
D) observational studies 
A) experimental studies 
B) uncontrolled experimental studies 
C) not of any value 
D) observational studies

Question 17

The following shows the temperatures (high, low) and weather conditions in a given Sunday for some selected world cities. For the weather conditions, the following notations are used: c = clear; cl = cloudy; sh = showers; pc = partly cloudy.
   
a.How many elements are in this data set?
b.How many variables are in this data set?
c.How many observations are in this data set?
d.Name the variables and indicate whether they are categorical or quantitative.
e.
For which variables are arithmetic operations appropriate and for which are they not appropriate?

Accepted Answer

a.7
b.3
c.7
d.Hi: quantitative

Question 18

A recent issue of Fortune Magazine reported that the following companies had the lowest sales per employee among the Fortune 500 companies.
   
a.How many elements are in the above data set?
b.How many variables are in the above data set?
c.How many observations are in the above data set?
d.Name the variables and indicate whether they are categorical or quantitative.

Accepted Answer

a.5
b.2
c.5
d.Sales

Question 19

In a sample of 800 students in a university, 240, or 30%, are Business majors. The 30% is an example of

Accepted Answer

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

Question 20

Exhibit 1-4
In many universities, students evaluate their professors by means of answering a questionnaire. Assume a questionnaire is distributed to a class of 45 students. Students are asked to answer the following:
1. Sex
2. Race (Black, White, Other)
3. Age
4. Number of hours completed
5. Grade point average
"6. My instructor is a very effective teacher
   "
-Refer to Exhibit 4-1. How many observations are in this data set?

Accepted Answer

A) 5 
B) 6 
C) 3 
D) 45 
A) 5 
B) 6 
C) 3 
D) 45

Quantitative data refers to data obtained with a(n)

Arithmetic operations are inappropriate for

Methods for developing useful decision-making information from large data bases is known as

Arithmetic operations are inappropriate for

Exhibit 1-5 The following is a frequency distribution of the monthly expenditures for long distance telephone service of 200 households in Chattanooga. -Refer to Exhibit 1-5. What is the cumulative relative frequency of the 2^nd class?

Census refers to

In Excel, a worksheet that displays the data for the problem and shows the results of the analysis is

Exhibit 1-1 In a recent study based upon an inspection of 200 homes in Daisy City, 80 were found to violate one or more city codes. -Refer to Exhibit 1-1. The manager's statement that 40% of Daisy City's 2,000 homes are in violation of city codes is

Income is an example of

Exhibit 1-3 Part of the data bank of a corporation is shown below. -Refer to Exhibit 1-3. Gender is an example of ________ data.

Data obtained from a nominal scale

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

Social security numbers consist of numeric values. Therefore, social security is an example of

The process of analyzing sample data in order to draw conclusions about the characteristics of a population is called

Another name for "observations" is

Statistical studies in which researchers do not control variables of interest are

In a sample of 800 students in a university, 240, or 30%, are Business majors. The 30% is an example of

Descriptive Statistics: Tabular and Graphical Presentations

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Comparisons Involving Means, Experimental Design and Analysis of Variance

Comparisons Involving Proportions and a Test of Independence

Simple Linear Regression

Multiple Regression

Filters

Exam 1: Data and Statistics

Quantitative data refers to data obtained with a(n)

Arithmetic operations are inappropriate for

Methods for developing useful decision-making information from large data bases is known as

Arithmetic operations are inappropriate for

Exhibit 1-5 The following is a frequency distribution of the monthly expenditures for long distance telephone service of 200 households in Chattanooga. -Refer to Exhibit 1-5. What is the cumulative relative frequency of the 2nd class?

Census refers to

In Excel, a worksheet that displays the data for the problem and shows the results of the analysis is

Exhibit 1-1 In a recent study based upon an inspection of 200 homes in Daisy City, 80 were found to violate one or more city codes. -Refer to Exhibit 1-1. The manager's statement that 40% of Daisy City's 2,000 homes are in violation of city codes is

Income is an example of

Exhibit 1-3 Part of the data bank of a corporation is shown below. -Refer to Exhibit 1-3. Gender is an example of ________ data.

Data obtained from a nominal scale

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

Social security numbers consist of numeric values. Therefore, social security is an example of

The process of analyzing sample data in order to draw conclusions about the characteristics of a population is called

Another name for "observations" is

Statistical studies in which researchers do not control variables of interest are

In a sample of 800 students in a university, 240, or 30%, are Business majors. The 30% is an example of

Descriptive Statistics: Tabular and Graphical Presentations

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Comparisons Involving Means, Experimental Design and Analysis of Variance

Comparisons Involving Proportions and a Test of Independence

Simple Linear Regression

Multiple Regression

Filters

Exhibit 1-5 The following is a frequency distribution of the monthly expenditures for long distance telephone service of 200 households in Chattanooga. -Refer to Exhibit 1-5. What is the cumulative relative frequency of the 2^nd class?