Question 1

A cumulative frequency polygon is also called an ogive.

Accepted Answer

A) True 
 B)False

Question 2

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 is the cumulative frequency for the 30-under 40 class interval?

Accepted Answer

A)  5 
B)  9 
C)  13 
D)  14 
E)  18 
A)  5 
B)  9 
C)  13 
D)  14 
E)  18

Question 3

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 4

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 5

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 6

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 7

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 8

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 9

In a frequency distribution,the first class interval begins at 18.The midpoint of the first class interval is 19.5,and the last class interval ends at 51.How many class intervals are there?

Accepted Answer

A)  11 
B)  17 
C)  22 
D)  33 
E)  34 
A)  11 
B)  17 
C)  22 
D)  33 
E)  34

Question 10

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 11

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 may be a false statement?

Accepted Answer

A)  Sales revenues declined at Clemson. 
B)  Only Clemson lost market share. 
C)  Alston gained market share. 
D)  Baren gained market share. 
E)  Both Alston and Baren gained market share 
A)  Sales revenues declined at Clemson. 
B)  Only Clemson lost market share. 
C)  Alston gained market share. 
D)  Baren gained market share. 
E)  Both Alston and Baren gained market share

Question 12

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 13

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 cumulative frequency of the second class interval is _________.

Accepted Answer

A)  1,500 
B)  500 
C)  900 
D)  1,000 
E)  1,200 
A)  1,500 
B)  500 
C)  900 
D)  1,000 
E)  1,200

Question 14

Your company is doing market research to assess the feasibility of a new product.The market research team gathers pricing information of all the existing products 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 a class width of 0.25 is used,then the class mark of the first class interval will be

Accepted Answer

A)  20.50 
B)  20.59 
C)  20.63 
D)  21.75 
E)  23.09 
A)  20.50 
B)  20.59 
C)  20.63 
D)  21.75 
E)  23.09

Question 15

The following graphic of cigarettes smoked (sold)per capita (CIG)and deaths per 100K population from lung cancer (LUNG)indicates _________

Accepted Answer

A)  a weak relation between the two variables 
B)  a pretty strong relation between the two variables 
C)  when the number of cigarettes smoked (sold) per capita (CIG) increases the deaths per 100K population from lung cancer (LUNG)decreases 
D)  a negative relation between the two variables 
E)  no relation between the two variables 
A)  a weak relation between the two variables 
B)  a pretty strong relation between the two variables 
C)  when the number of cigarettes smoked (sold) per capita (CIG) increases the deaths per 100K population from lung cancer (LUNG)decreases 
D)  a negative relation between the two variables 
E)  no relation between the two variables

Question 16

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 17

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 18

A Pareto chart and a pie chart are both types of qualitative graphs.

Accepted Answer

A) True 
 B)False

Question 19

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 20

In a frequency distribution,the first class interval begins at 18.The midpoint of the first class interval is 19.5,and the midpoint of the last class interval is 49.5.How many class intervals are there?

Accepted Answer

A)  11 
B)  17 
C)  22 
D)  33 
E)  34 
A)  11 
B)  17 
C)  22 
D)  33 
E)  34

A cumulative frequency polygon is also called an ogive.

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 is the cumulative frequency for the 30-under 40 class interval?

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?

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

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.

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 _____________.

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 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 ___.

In a frequency distribution,the first class interval begins at 18.The midpoint of the first class interval is 19.5,and the last class interval ends at 51.How many class intervals are there?

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 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 may be a false statement?

The following graphic of cigarettes smoked (sold)per capita (CIG)and deaths per 100K population from lung cancer (LUNG)indicates _________

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?

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 _____________.

A Pareto chart and a pie chart are both types of qualitative graphs.

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

In a frequency distribution,the first class interval begins at 18.The midpoint of the first class interval is 19.5,and the midpoint of the last class interval is 49.5.How many class intervals are there?

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

A Nalysis 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 cumulative frequency polygon is also called an ogive.

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 is the cumulative frequency for the 30-under 40 class interval?

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?

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

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.

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 _____________.

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 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 ___.

In a frequency distribution,the first class interval begins at 18.The midpoint of the first class interval is 19.5,and the last class interval ends at 51.How many class intervals are there?

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 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 may be a false statement?

The following graphic of cigarettes smoked (sold)per capita (CIG)and deaths per 100K population from lung cancer (LUNG)indicates _________

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?

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 _____________.

A Pareto chart and a pie chart are both types of qualitative graphs.

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

In a frequency distribution,the first class interval begins at 18.The midpoint of the first class interval is 19.5,and the midpoint of the last class interval is 49.5.How many class intervals are there?

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

A Nalysis 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