Question 1

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 2

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 3

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

Accepted Answer

A)  30 
B)  50 
C)  18 
D)  12 
E)  15 
A)  30 
B)  50 
C)  18 
D)  12 
E)  15

Question 4

The relative frequency of a category is computed by

Accepted Answer

A)  dividing the frequency of the category by the sample size. 
B)  multiplying the frequency of the category by the sample size. 
C)  dividing the sample size by the frequency of the category. 
D)  frequency of the category. 
E)  none of the above 
A)  dividing the frequency of the category by the sample size. 
B)  multiplying the frequency of the category by the sample size. 
C)  dividing the sample size by the frequency of the category. 
D)  frequency of the category. 
E)  none of the above

Question 5

Categorical data can be represented graphically by a(n)

Accepted Answer

A)  histogram. 
B)  frequency polygon. 
C)  ogive. 
D)  bar chart. 
E)  none of the above 
A)  histogram. 
B)  frequency polygon. 
C)  ogive. 
D)  bar chart. 
E)  none of the above

Question 6

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 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 total number of sales transactions on Saturday was ___.

Accepted Answer

A)  200 
B)  500 
C)  300 
D)  100 
E)  400 
A)  200 
B)  500 
C)  300 
D)  100 
E)  400

Question 8

A cumulative frequency polygon is also called an ogive.

Accepted Answer

A) True 
 B)False

Question 9

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 at least $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 10

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 11

Consider the relative frequency distribution given below:   
There were 60 numbers in the data set. How many of the number were less than 80?

Accepted Answer

A)  90 
B)  80 
C)  0.9 
D)  54 
E)  100 
A)  90 
B)  80 
C)  0.9 
D)  54 
E)  100

Question 12

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 5 classes are used, the class width should be approximately ___.

Accepted Answer

A)  4 
B)  12 
C)  8 
D)  5 
E)  9 
A)  4 
B)  12 
C)  8 
D)  5 
E)  9

Question 13

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 14

Categorical data can be represented graphically by a(n)

Accepted Answer

A)  histogram. 
B)  frequency polygon. 
C)  ogive. 
D)  pie chart. 
E)  none of the above 
A)  histogram. 
B)  frequency polygon. 
C)  ogive. 
D)  pie chart. 
E)  none of the above

Question 15

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 16

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 17

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

Accepted Answer

A)  scatter plot 
B)  Pareto chart 
C)  pie chart 
D)  cumulative histogram 
E)  cumulative frequency distribuion 
A)  scatter plot 
B)  Pareto chart 
C)  pie chart 
D)  cumulative histogram 
E)  cumulative frequency distribuion

Question 18

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 total number of walk-in customers included in the study was ___.

Accepted Answer

A)  100 
B)  250 
C)  300 
D)  450 
E)  500 
A)  100 
B)  250 
C)  300 
D)  450 
E)  500

Question 19

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 might represent a problem with this set of intervals?

Accepted Answer

A)  There are too few intervals. 
B)  Some numbers between 0 and 29 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 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.

Question 20

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 gender and their lunch choice.
  What proportion of the workers surveyed were management and buy lunch?

Accepted Answer

A)  0.22 
B)  0.24 
C)  0.30 
D)  0.46 
E)  0.55 
A)  0.22 
B)  0.24 
C)  0.30 
D)  0.46 
E)  0.55

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

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

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

The relative frequency of a category is computed by

Categorical data can be represented graphically by a(n)

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 total number of sales transactions on Saturday was ___.

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 at least $100 each 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?

Consider the relative frequency distribution given below: There were 60 numbers in the data set. How many of the number were less than 80?

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 5 classes are used, the class width should be approximately ___.

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?

Categorical data can be represented graphically by a(n)

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

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

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 total number of walk-in customers included in the study was ___.

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 gender and their lunch choice. What proportion of the workers surveyed were management and buy lunch?

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

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

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

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

The relative frequency of a category is computed by

Categorical data can be represented graphically by a(n)

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 total number of sales transactions on Saturday was ___.

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 at least $100 each 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?

Consider the relative frequency distribution given below: There were 60 numbers in the data set. How many of the number were less than 80?

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 5 classes are used, the class width should be approximately ___.

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?

Categorical data can be represented graphically by a(n)

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

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

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 total number of walk-in customers included in the study was ___.

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 gender and their lunch choice. What proportion of the workers surveyed were management and buy lunch?

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