Question 1

The number of cases will always be the same as the number of

Accepted Answer

A) variables 
B) elements 
C) data sets 
D) data 
A) variables 
B) elements 
C) data sets 
D) data

Question 2

Temperature is an example of a variable that uses

Accepted Answer

A) the ratio scale 
B) the interval scale 
C) the ordinal scale 
D) either the ratio or the ordinal scale 
A) the ratio scale 
B) the interval scale 
C) the ordinal scale 
D) either the ratio or the ordinal scale

Question 3

A characteristic of interest for the elements is called a(n)

Accepted Answer

A) sample 
B) data set 
C) variable 
D) None of these alternatives is correct. 
A) sample 
B) data set 
C) variable 
D) None of these alternatives is correct.

Question 4

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

Accepted Answer

A) variables 
B) observations 
C) samples 
D) None of these alternatives is correct. 
A) variables 
B) observations 
C) samples 
D) None of these alternatives is correct.

Question 5

The nominal scale of measurement has the properties of the

Accepted Answer

A) ordinal scale 
B) only interval scale 
C) ratio scale 
D) None of these alternatives is correct. 
A) ordinal scale 
B) only interval scale 
C) ratio scale 
D) None of these alternatives is correct.

Question 6

Ordinary arithmetic operations are meaningful

Accepted Answer

A) only with categorical data 
B) only with quantitative data 
C) either with quantitative or categorical data 
D) None of these alternatives is correct. 
A) only with categorical data 
B) only with quantitative data 
C) either with quantitative or categorical data 
D) None of these alternatives is correct.

Question 7

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 8

Exhibit 1-2
In a sample of 1,600 registered voters,912,or 57%,approve of the way the President is doing his job.
-Refer to Exhibit 1-2.The 57% approval is an example of

Accepted Answer

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

Question 9

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 10

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.Sex2.Race (Black,White,Other)3.Age4.Number of hours completed5.Grade point average6.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

Question 11

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 12

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

Accepted Answer

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

Question 13

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 Daisy City study described above is an example of the use of a

Accepted Answer

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

Question 14

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 15

The following national weather report gives the temperatures and weather conditions on the previous day in cities across the nation.
   
a.How many elements are in this data set?
b.How many variables are in this data set?
c.How many observations are there in the above data set?
d.Which variables are categorical and which are quantitative?
e.What measurement scale is used for temperature and weather conditions?

Accepted Answer

a.11
b.3
c.11
d.Temperature is

Question 16

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

Question 17

The scale of measurement that has an inherent zero value defined is the

Accepted Answer

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

Question 18

A population is

Accepted Answer

A) the same as a sample 
B) the selection of a random sample 
C) the collection of all items of interest in a particular study 
D) always the same size as the sample 
A) the same as a sample 
B) the selection of a random sample 
C) the collection of all items of interest in a particular study 
D) always the same size as the sample

Question 19

In a post office,the mailboxes are numbered from 1 to 4,500.These numbers represent

Accepted Answer

A) categorical data 
B) quantitative data 
C) either categorical or quantitative data 
D) since the numbers are sequential,the data is quantitative 
A) categorical data 
B) quantitative data 
C) either categorical or quantitative data 
D) since the numbers are sequential,the data is quantitative

Question 20

Some hotels ask their guests to rate the hotel's services as excellent,very good,good,and poor.This is an example of the

Accepted Answer

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

The number of cases will always be the same as the number of

Temperature is an example of a variable that uses

A characteristic of interest for the elements is called a(n)

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

The nominal scale of measurement has the properties of the

Ordinary arithmetic operations are meaningful

Arithmetic operations are inappropriate for

Exhibit 1-2 In a sample of 1,600 registered voters,912,or 57%,approve of the way the President is doing his job. -Refer to Exhibit 1-2.The 57% approval is an example of

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

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.

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

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 Daisy City study described above is an example of the use of a

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

The scale of measurement that has an inherent zero value defined is the

A population is

In a post office,the mailboxes are numbered from 1 to 4,500.These numbers represent

Some hotels ask their guests to rate the hotel's services as excellent,very good,good,and poor.This is an example of the

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

Statistical Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit and Independence

Analysis of Variance and Experimental Design

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Index Numbers

Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Exam 1: Data and Statistics

The number of cases will always be the same as the number of

Temperature is an example of a variable that uses

A characteristic of interest for the elements is called a(n)

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

The nominal scale of measurement has the properties of the

Ordinary arithmetic operations are meaningful

Arithmetic operations are inappropriate for

Exhibit 1-2 In a sample of 1,600 registered voters,912,or 57%,approve of the way the President is doing his job. -Refer to Exhibit 1-2.The 57% approval is an example of

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

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.

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

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 Daisy City study described above is an example of the use of a

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

The scale of measurement that has an inherent zero value defined is the

A population is

In a post office,the mailboxes are numbered from 1 to 4,500.These numbers represent

Some hotels ask their guests to rate the hotel's services as excellent,very good,good,and poor.This is an example of the

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

Statistical Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit and Independence

Analysis of Variance and Experimental Design

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Index Numbers

Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters