Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

There are four majors in the School of Business Administration at UDS, Accounting, Finance, Marketing and Management. 240 students are in Accounting major, 160 in Finance major, 80 in marketing major and 320 are in Management major. Develop a relative pie chart for the data.

Accepted Answer

The answer of There are four majors in the School...

Question 3

The 2010 and 2012 market share data of the three competitors (Alston, Baren, and Clemson) in an oligopolistic industry are presented in the following pie charts.    
Which of the following is true?

Accepted Answer

A)  Only Baren share. 
B)  Only Clemson lost market share. 
C)  Alston lost market share. 
D)  Baren lost market share. 
E)  All companies lost market share. 
A)  Only Baren share. 
B)  Only Clemson lost market share. 
C)  Alston lost market share. 
D)  Baren lost market share. 
E)  All companies lost market share.

Question 4

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 5

The United Nations Development Programme website provides comparative data by country on key metrics. Two such metrics are life expectancy and expenditures on health as a percent of GDP. The table below shows data on life expectancy and health expenditures in the United States.   Which of the following scatterplots best depicts the relationship between life expectancy and expenditures on health as a percent of GDP?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 6

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

Accepted Answer

A)  0.45 
B)  0.70 
C)  0.30 
D)  0.33 
E)  0.50 
A)  0.45 
B)  0.70 
C)  0.30 
D)  0.33 
E)  0.50

Question 7

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 8

Your company is doing market research to assess the feasibility of a new product. The market research team gathers pricing information of the 60 existing products in the market that would compete with your company's product. The most expensive brand is priced at $22.95, and the least expensive one at $20.59. If the relative frequency of the first class is 0.05 and the cumulative frequency for the second class is 10, then the relative frequency for the second class is

Accepted Answer

A)  0.05. 
B)  0.11. 
C)  0.12. 
D)  0.17. 
E)  1.67. 
A)  0.05. 
B)  0.11. 
C)  0.12. 
D)  0.17. 
E)  1.67.

Question 9

The total energy consumption (in kWh) for the month of July 2017 for a sample of 28 houses in a certain city is shown below:
573 466 622 539 480 653 512 784 438 841 592 482 605 553 492 733 536 428 545 477 624 510 672 434 581 506 570 487.
a) Beginning the first class at 400 and using a class with of 50, construct a cumulative frequency polygon (ogive) for the data.
b) What percentage of houses consumed at least 625 kWh in July 2017?

Accepted Answer

a) @#IMG-DLM& 
b) ap

Question 10

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)  Some numbers between 28,000 and 40,000 would fall into two different intervals. 
D)  The first and the second interval overlap. 
E)  There are too few intervals. 
A)  There are too many intervals. 
B)  The class widths are too small. 
C)  Some numbers between 28,000 and 40,000 would fall into two different intervals. 
D)  The first and the second interval overlap. 
E)  There are too few intervals.

Question 11

A sample of 188 workers were asked whether they bring bagged lunch to work or buy lunch. The contingency table below displays the results by job type and their lunch choice.
  How many of the workers surveyed were non-management and brought a bagged lunch?

Accepted Answer

A)  45 
B)  57 
C)  86 
D)  103 
E)  188 
A)  45 
B)  57 
C)  86 
D)  103 
E)  188

Question 12

The total energy consumption (in kWh) for the month of July 2017 for a sample of 28 houses in a certain city is shown below:
573 466 622 539 480 653 512 784 438 841 592 482 605 553 492 733 536 428 545 477 624 510 672 434 581 506 570 487. Beginning the first class at 400 and using a class with of 50, develop a cumulative frequency distribution for the data.

Accepted Answer

The answer of The total energy consumption (in kWh) for...

Question 13

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

Accepted Answer

A)  25 
B)  40 
C)  15 
D)  50 
A)  25 
B)  40 
C)  15 
D)  50

Question 14

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 15

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

Question 16

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

Accepted Answer

A)  10 
B)  20 
C)  15 
D)  30 
E)  40 
A)  10 
B)  20 
C)  15 
D)  30 
E)  40

Question 17

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

Accepted Answer

A)  15 
B)  350 
C)  300 
D)  200 
E)  400 
A)  15 
B)  350 
C)  300 
D)  200 
E)  400

Question 18

Which of the following statements is/are true? 
I. Cross tabulation is a two-dimensional table that displays the frequency for two categorical variables.
II. Cross tabulation can be referred to as a contingency table.
III. Excel calls contingency table as pivot table.

Accepted Answer

A)  I only 
B)  II only 
C)  III only 
D)  I and III only 
E)  all of the above 
A)  I only 
B)  II only 
C)  III only 
D)  I and III only 
E)  all of the above

Question 19

A graph that can be used to represent data on two categorical variables simultaneously is called a(n)

Accepted Answer

A)  Pareto chart. 
B)  ogive. 
C)  two variable bar chart. 
D)  contingency table. 
E)  histogram. 
A)  Pareto chart. 
B)  ogive. 
C)  two variable bar chart. 
D)  contingency table. 
E)  histogram.

Question 20

If the individual class frequency is divided by the total frequency, the result is the median frequency.

Accepted Answer

A) True 
 B)False

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

There are four majors in the School of Business Administration at UDS, Accounting, Finance, Marketing and Management. 240 students are in Accounting major, 160 in Finance major, 80 in marketing major and 320 are in Management major. Develop a relative pie chart for the data.

The 2010 and 2012 market share data of the three competitors (Alston, Baren, and Clemson) in an oligopolistic industry are presented in the following pie charts. Which of the following is true?

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 frequency distribution: What is the relative frequency of the second class interval?

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

A sample of 188 workers were asked whether they bring bagged lunch to work or buy lunch. The contingency table below displays the results by job type and their lunch choice. How many of the workers surveyed were non-management and brought a bagged lunch?

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

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 ___.

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

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

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

Which of the following statements is/are true? I. Cross tabulation is a two-dimensional table that displays the frequency for two categorical variables. II. Cross tabulation can be referred to as a contingency table. III. Excel calls contingency table as pivot table.

A graph that can be used to represent data on two categorical variables simultaneously is called a(n)

If the individual class frequency is divided by the total frequency, the result is the median frequency.

Introduction to Statistics

Descriptive Statistics

Gathering Data

Probability

Decision Analysis and Expected Value

Discrete Probability Distributions

Continuous Distributions

Sampling Distributions

Confidence Intervals

Hypothesis Testing for Single Populations

Hypothesis Testing for Two Populations

Analysis of Variance Anova

Linear Correlation and Simple Linear Regression Analysis

Categorical Versus Categorical: Tests

Filters

Exam 2: Organizing and Visualizing Data

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

There are four majors in the School of Business Administration at UDS, Accounting, Finance, Marketing and Management. 240 students are in Accounting major, 160 in Finance major, 80 in marketing major and 320 are in Management major. Develop a relative pie chart for the data.

The 2010 and 2012 market share data of the three competitors (Alston, Baren, and Clemson) in an oligopolistic industry are presented in the following pie charts. Which of the following is true?

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 frequency distribution: What is the relative frequency of the second class interval?

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

A sample of 188 workers were asked whether they bring bagged lunch to work or buy lunch. The contingency table below displays the results by job type and their lunch choice. How many of the workers surveyed were non-management and brought a bagged lunch?

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

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 ___.

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

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

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

Which of the following statements is/are true? I. Cross tabulation is a two-dimensional table that displays the frequency for two categorical variables. II. Cross tabulation can be referred to as a contingency table. III. Excel calls contingency table as pivot table.

A graph that can be used to represent data on two categorical variables simultaneously is called a(n)

If the individual class frequency is divided by the total frequency, the result is the median frequency.

Introduction to Statistics

Descriptive Statistics

Gathering Data

Probability

Decision Analysis and Expected Value

Discrete Probability Distributions

Continuous Distributions

Sampling Distributions

Confidence Intervals

Hypothesis Testing for Single Populations

Hypothesis Testing for Two Populations

Analysis of Variance Anova

Linear Correlation and Simple Linear Regression Analysis

Categorical Versus Categorical: Tests

Filters