Question 1

A graphical representation of a frequency distribution is called a pie chart.

Accepted Answer

A) True 
 B)False

Question 2

Consider the relative frequency distribution given below:  
There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?

Accepted Answer

A) 12 
B) 20 
C) 40 
D) 10 
E) 15 
A) 12 
B) 20 
C) 40 
D) 10 
E) 15

Question 3

Pinky Bauer,Chief Financial Officer of Harrison Haulers,Inc. ,suspects irregularities in the payroll system,and orders an inspection of "each and every payroll voucher issued since January 1,2000." Each payroll voucher was inspected and the following frequency distribution was compiled.  
The relative frequency of the first class interval is ___.

Accepted Answer

A) 0.50 
B) 0.33 
C) 0.40 
D) 0.27 
E) 0.67 
A) 0.50 
B) 0.33 
C) 0.40 
D) 0.27 
E) 0.67

Question 4

Consider the following stem and leaf plot:  
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would the frequency be for class 30-under 40?

Accepted Answer

A) 3 
B) 4 
C) 6 
D) 7 
E) 5 
A) 3 
B) 4 
C) 6 
D) 7 
E) 5

Question 5

Consider the following frequency distribution: 
 
What is the relative frequency of the first class?

Accepted Answer

A) 0.15 
B) 0.30 
C) 0.10 
D) 0.20 
E) 0.40 
A) 0.15 
B) 0.30 
C) 0.10 
D) 0.20 
E) 0.40

Question 6

The cumulative frequency for a class is 27.The cumulative frequency for the next (non-empty)class will be ___.

Accepted Answer

A) less than 27 
B) equal to 27 
C) next class frequency minus 27 
D) 27 minus the next class frequency 
E) 27 plus the next class frequency 
A) less than 27 
B) equal to 27 
C) next class frequency minus 27 
D) 27 minus the next class frequency 
E) 27 plus the next class frequency

Question 7

The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000.Company C's sales in 2000 were ___.

Accepted Answer

A) $342 million   
B) $630 million 
C) $675 million 
D) $828 million 
E) $928 million 
A) $342 million   
B) $630 million 
C) $675 million 
D) $828 million 
E) $928 million

Question 8

For any given data set,a frequency distribution with a larger number of classes will always be better than the one with a smaller number of classes.

Accepted Answer

A) True 
 B)False

Question 9

Consider the following stem and leaf plot:  
Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the lowest number in the data set?

Accepted Answer

A) 0 
B) 10 
C) 7 
D) 2 
E) 1 
A) 0 
B) 10 
C) 7 
D) 2 
E) 1

Question 10

The difference between the highest number and the lowest number in a set of data is called the differential frequency.

Accepted Answer

A) True 
 B)False

Question 11

A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 7 classes are used,the class width should be approximately ___.

Accepted Answer

A) 5 
B) 7 
C) 9 
D) 11 
E) 12 
A) 5 
B) 7 
C) 9 
D) 11 
E) 12

Question 12

The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000.   Company B's sales in 1999 were ___.

Accepted Answer

A) $342 million 
B) $630 million 
C) $675 million 
D) $828 million 
E) $928 million 
A) $342 million 
B) $630 million 
C) $675 million 
D) $828 million 
E) $928 million

Question 13

The following graphic of PCB Failures is a ___.

Accepted Answer

A) scatter Plot 
B) Pareto Chart 
C) pie chart 
D) cumulative histogram chart 
E) line diagram 
A) scatter Plot 
B) Pareto Chart 
C) pie chart 
D) cumulative histogram chart 
E) line diagram

Question 14

Describe and construct different types of quantitative data graphs,including histograms,frequency polygons,ogives,and stem and leaf plots.Explain when these graphs should be used.

Accepted Answer

Two types of graphical depictions are qu

Question 15

Abel Alonzo,Director of Human Resources,is exploring employee absenteeism at the Harrison Haulers Plant during the last operating year.A review of all personnel records indicated that absences ranged from zero to twenty-nine days per employee.The following class intervals were proposed for a frequency distribution of absences:  
Which of the following represents a problem with this set of intervals?

Accepted Answer

A) There are too few intervals. 
B) Some numbers between 0 and 29,inclusively,would not fall into any interval. 
C) The first and second interval overlaps. 
D) There are too many intervals. 
E) The second and the third interval overlap. 
A) There are too few intervals. 
B) Some numbers between 0 and 29,inclusively,would not fall into any interval. 
C) The first and second interval overlaps. 
D) There are too many intervals. 
E) The second and the third interval overlap.

A graphical representation of a frequency distribution is called a pie chart.

Consider the relative frequency distribution given below: There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would the frequency be for class 30-under 40?

Consider the following frequency distribution: What is the relative frequency of the first class?

The cumulative frequency for a class is 27.The cumulative frequency for the next (non-empty)class will be ___.

The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000.Company C's sales in 2000 were ___.

For any given data set,a frequency distribution with a larger number of classes will always be better than the one with a smaller number of classes.

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the lowest number in the data set?

The difference between the highest number and the lowest number in a set of data is called the differential frequency.

A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 7 classes are used,the class width should be approximately ___.

The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000. Company B's sales in 1999 were ___.

The following graphic of PCB Failures is a ___.

Describe and construct different types of quantitative data graphs,including histograms,frequency polygons,ogives,and stem and leaf plots.Explain when these graphs should be used.

Introduction to Statistics

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Analysis of Variance and Design of Experiments

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Nonparametric Statistics

Statistical Quality Control

Decision Analysis

Filters

Exam 2: Charts and Graphs

A graphical representation of a frequency distribution is called a pie chart.

Consider the relative frequency distribution given below: There were 60 numbers in the data set.How many numbers were in the interval 20-under 40?

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What would the frequency be for class 30-under 40?

Consider the following frequency distribution: What is the relative frequency of the first class?

The cumulative frequency for a class is 27.The cumulative frequency for the next (non-empty)class will be ___.

The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000.Company C's sales in 2000 were ___.

For any given data set,a frequency distribution with a larger number of classes will always be better than the one with a smaller number of classes.

Consider the following stem and leaf plot: Suppose that a frequency distribution was developed from this,and there were 5 classes (10-under 20,20-under 30,etc. ).What was the lowest number in the data set?

The difference between the highest number and the lowest number in a set of data is called the differential frequency.

A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 7 classes are used,the class width should be approximately ___.

The 1999 and 2000 market share data of the three competitors (A,B,and C)in an oligopolistic industry are presented in the following pie charts.Total sales for this industry were $1.5 billion in 1999 and $1.8 billion in 2000. Company B's sales in 1999 were ___.

The following graphic of PCB Failures is a ___.

Describe and construct different types of quantitative data graphs,including histograms,frequency polygons,ogives,and stem and leaf plots.Explain when these graphs should be used.

Introduction to Statistics

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Analysis of Variance and Design of Experiments

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Nonparametric Statistics

Statistical Quality Control

Decision Analysis

Filters