Question 1

The following graphic of residential housing data (selling price and size in square feet)indicates ___.

Accepted Answer

A) an inverse relation between the two variables 
B) no relation between the two variables 
C) a direct relation between the two variables 
D) a negative exponential relation between the two variables 
E) a sinusoidal relationship between the two variables 
A) an inverse relation between the two variables 
B) no relation between the two variables 
C) a direct relation between the two variables 
D) a negative exponential relation between the two variables 
E) a sinusoidal relationship between the two variables

Question 2

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers.   The percentage of walk-in customers waiting more than 6 minutes was ___.

Accepted Answer

A) 22% 
B) 11% 
C) 67% 
D) 10% 
E) 75% 
A) 22% 
B) 11% 
C) 67% 
D) 10% 
E) 75%

Question 3

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers.   The percentage of walk-in customers waiting between 1 and 6 minutes was ___.

Accepted Answer

A) 22% 
B) 11% 
C) 37% 
D) 10% 
E) 67% 
A) 22% 
B) 11% 
C) 37% 
D) 10% 
E) 67%

Question 4

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for walk-in customers.   Approximately ___ walk-in customers waited at least 7 minutes.

Accepted Answer

A) 20 
B) 30 
C) 100 
D) 180 
E) 200 
A) 20 
B) 30 
C) 100 
D) 180 
E) 200

Question 5

The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:  
Before data was collected,someone questioned the validity of this arrangement.Which of the following represents a problem with this set of intervals?

Accepted Answer

A) There are too many intervals. 
B) The class widths are too small. 
C) The class widths are too large. 
D) The second and the third interval overlap. 
E) There are too few intervals. 
A) There are too many intervals. 
B) The class widths are too small. 
C) The class widths are too large. 
D) The second and the third interval overlap. 
E) There are too few intervals.

Question 6

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed:  
What is the relative frequency of the second class?

Accepted Answer

A) 0.455 
B) 0.900 
C) 0.225 
D) 0.750 
E) 0.725 
A) 0.455 
B) 0.900 
C) 0.225 
D) 0.750 
E) 0.725

Question 7

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows:   The percentage of sales transactions on Saturday that were under $100 each was ___.

Accepted Answer

A) 100 
B) 10 
C) 80 
D) 20 
E) 15 
A) 100 
B) 10 
C) 80 
D) 20 
E) 15

Question 8

Consider the following frequency distribution:  
What is the cumulative frequency of the second class interval?

Accepted Answer

A) 25 
B) 45 
C) 70 
D) 100 
E) 250 
A) 25 
B) 45 
C) 70 
D) 100 
E) 250

Question 9

According to the following graphic,"Bent Pins" account for ___% of PCB Failures.

Accepted Answer

A) 10 
B) 20 
C) 30 
D) 40 
E) 50 
A) 10 
B) 20 
C) 30 
D) 40 
E) 50

Question 10

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 highest number in the data set?

Accepted Answer

A) 50 
B) 58 
C) 59 
D) 78 
E) 98 
A) 50 
B) 58 
C) 59 
D) 78 
E) 98

Question 11

One rule that must always be followed in constructing frequency distributions is that the adjacent classes must overlap.

Accepted Answer

A) True 
 B)False

Question 12

An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e. ,she gives grades of A-,B+,etc. ).Which of the following would provide the most information for the students?

Accepted Answer

A) a histogram 
B) a stem and leaf plot 
C) a cumulative frequency distribution 
D) a frequency distribution 
E) a scatter plot 
A) a histogram 
B) a stem and leaf plot 
C) a cumulative frequency distribution 
D) a frequency distribution 
E) a scatter plot

Question 13

A cumulative frequency polygon is also called an ogive.

Accepted Answer

A) True 
 B)False

Question 14

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows:   The percentage of sales transactions on Saturday that were between $100 and $150 was ___.

Accepted Answer

A) 20% 
B) 40% 
C) 60% 
D) 80% 
E) 10% 
A) 20% 
B) 40% 
C) 60% 
D) 80% 
E) 10%

Question 15

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed:  
What is the cumulative frequency of the third class?

Accepted Answer

A) 80 
B) 0.40 
C) 155 
D) 75 
E) 105 
A) 80 
B) 0.40 
C) 155 
D) 75 
E) 105

Question 16

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

Accepted Answer

A) 100 
B) 150 
C) 25 
D) 250 
E) 200 
A) 100 
B) 150 
C) 25 
D) 250 
E) 200

Question 17

The staffs of the accounting and the quality control departments rated their respective supervisor's leadership style as either (1)authoritarian or (2)participatory.Sixty-eight percent of the accounting staff rated their supervisor "authoritarian," and thirty-two percent rated him "participatory." Forty percent of the quality control staff rated their supervisor "authoritarian," and sixty percent rated her "participatory." The best graphic depiction of these data would be two ___.

Accepted Answer

A) histograms 
B) frequency polygons 
C) ogives 
D) pie charts 
E) scatter plots 
A) histograms 
B) frequency polygons 
C) ogives 
D) pie charts 
E) scatter plots

Question 18

A scatter plot is a two-dimensional graph plot of data containing pairs of observations on two numerical variables.

Accepted Answer

A) True 
 B)False

Question 19

A histogram can be described as a type of vertical bar chart.

Accepted Answer

A) True 
 B)False

Question 20

According to the following graphic the most common cause of PCB Failures is a ___.

Accepted Answer

A) cracked trace 
B) bent pin 
C) missing part 
D) solder bridge 
E) wrong part 
A) cracked trace 
B) bent pin 
C) missing part 
D) solder bridge 
E) wrong part

The following graphic of residential housing data (selling price and size in square feet)indicates ___.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting more than 6 minutes was ___.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting between 1 and 6 minutes was ___.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for walk-in customers. Approximately ___ walk-in customers waited at least 7 minutes.

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed: What is the relative frequency of the second class?

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were under $100 each was ___.

Consider the following frequency distribution: What is the cumulative frequency of the second class interval?

According to the following graphic,"Bent Pins" account for ___% of PCB Failures.

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 highest number in the data set?

One rule that must always be followed in constructing frequency distributions is that the adjacent classes must overlap.

An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e. ,she gives grades of A-,B+,etc. ).Which of the following would provide the most information for the students?

A cumulative frequency polygon is also called an ogive.

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were between $100 and $150 was ___.

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed: What is the cumulative frequency of the third class?

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

A scatter plot is a two-dimensional graph plot of data containing pairs of observations on two numerical variables.

A histogram can be described as a type of vertical bar chart.

According to the following graphic the most common cause of PCB Failures is a ___.

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

The following graphic of residential housing data (selling price and size in square feet)indicates ___.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting more than 6 minutes was ___.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting between 1 and 6 minutes was ___.

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a frequency histogram of waiting time for walk-in customers. Approximately ___ walk-in customers waited at least 7 minutes.

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed: What is the relative frequency of the second class?

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were under $100 each was ___.

Consider the following frequency distribution: What is the cumulative frequency of the second class interval?

According to the following graphic,"Bent Pins" account for ___% of PCB Failures.

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 highest number in the data set?

One rule that must always be followed in constructing frequency distributions is that the adjacent classes must overlap.

An instructor has decided to graphically represent the grades on a test.The instructor uses a plus/minus grading system (i.e. ,she gives grades of A-,B+,etc. ).Which of the following would provide the most information for the students?

A cumulative frequency polygon is also called an ogive.

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions.Saturday's cumulative frequency ogive follows: The percentage of sales transactions on Saturday that were between $100 and $150 was ___.

The number of phone calls arriving at a switchboard each hour has been recorded,and the following frequency distribution has been developed: What is the cumulative frequency of the third class?

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

A scatter plot is a two-dimensional graph plot of data containing pairs of observations on two numerical variables.

A histogram can be described as a type of vertical bar chart.

According to the following graphic the most common cause of PCB Failures is a ___.

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