Question 1

A class relative frequency represents a __________ of the total observations in the class.

Accepted Answer

proportion

Question 2

Refer to the following wage breakdown for a garment factory.   What are the class limits for the class with the smallest frequencies?

Accepted Answer

A)  3.5 and 6.5 
B)  4 and up to 7 
C)  13 and up to 16 
D)  12.5 and 15.5 
A)  3.5 and 6.5 
B)  4 and up to 7 
C)  13 and up to 16 
D)  12.5 and 15.5

Question 3

For the following distribution of heights, what are the limits for the class with the greatest frequency?

Accepted Answer

A)  64 and up to 70 
B)  65 and 69 
C)  65 and up to 70 
D)  69.5 and 74.5 
A)  64 and up to 70 
B)  65 and 69 
C)  65 and up to 70 
D)  69.5 and 74.5

Question 4

Refer to the following distribution of commissions:   To plot a cumulative frequency distribution, the first coordinate would be _________.

Accepted Answer

A)  X = 0, Y = 600 
B)  X = 500, Y = 3 
C)  X = 3, Y = 600 
D)  X = 600, Y = 0 
A)  X = 0, Y = 600 
B)  X = 500, Y = 3 
C)  X = 3, Y = 600 
D)  X = 600, Y = 0

Question 5

To calculate a relative frequency, a class frequency is divided by ___________.

Accepted Answer

the total

Question 6

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire?"   What is the class with the greatest frequency?

Accepted Answer

A)  Very confident 
B)  Somewhat confident 
C)  Not very confident 
D)  Don't know 
A)  Very confident 
B)  Somewhat confident 
C)  Not very confident 
D)  Don't know

Question 7

What is the difference between a frequency distribution and a cumulative frequency distribution?

Accepted Answer

A frequency distribution shows the numbe

Question 8

The first three class marks for a frequency distribution of "weights of college men" recorded to the nearest pound are 105, 115, and 125.
What is the class interval?

Accepted Answer

10
Explanation: The class inte

Question 9

Refer to the following distribution of commissions:   For the preceding distribution, what is the midpoint of the class with the greatest frequency?

Accepted Answer

A)  1,400 
B)  1,500 
C)  1,700 
D)  The midpoint cannot be determineD. 
A)  1,400 
B)  1,500 
C)  1,700 
D)  The midpoint cannot be determineD.

Question 10

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table:   Why is the table NOT a frequency distribution?

Accepted Answer

A)  The number of males does not equal the sum of males that smoke and do not smoke. 
B)  The classes are not mutually exclusive. 
C)  There are too many classes. 
D)  Class limits cannot be computeD. 
A)  The number of males does not equal the sum of males that smoke and do not smoke. 
B)  The classes are not mutually exclusive. 
C)  There are too many classes. 
D)  Class limits cannot be computeD.

Question 11

Unorganized data is referred to as ________ data.

Accepted Answer

The answer of Unorganized data is referred to as ________...

Question 12

For a relative frequency distribution, relative frequency is computed as _____________.

Accepted Answer

A)  The class width divided by the class interval 
B)  The class midpoint divided by the class frequency 
C)  The class frequency divided by the class interval 
D)  The class frequency divided by the total frequency 
A)  The class width divided by the class interval 
B)  The class midpoint divided by the class frequency 
C)  The class frequency divided by the class interval 
D)  The class frequency divided by the total frequency

Question 13

To construct a pie chart, the class frequencies are converted to __________.

Accepted Answer

relative f

Question 14

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table:   What type of chart best represents relative class frequencies?

Accepted Answer

A)  Box plot 
B)  Pie chart 
C)  Scatter plot 
D)  Frequency polygon 
A)  Box plot 
B)  Pie chart 
C)  Scatter plot 
D)  Frequency polygon

Question 15

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire?"   What type of chart should be used to describe the frequency table?

Accepted Answer

A)  A pie chart 
B)  A bar chart 
C)  A histogram 
D)  A frequency polygon 
A)  A pie chart 
B)  A bar chart 
C)  A histogram 
D)  A frequency polygon

Question 16

Refer to the following distribution of commissions:   What is the relative frequency for those salespersons that earn from $1,600 up to $1,800?

Accepted Answer

A)  .02 
B)  .024 
C)  .20 
D)  .24 
A)  .02 
B)  .024 
C)  .20 
D)  .24

Question 17

A frequency distribution groups data into classes showing the number of observations in each class.

Accepted Answer

A) True 
 B)False

Question 18

Refer to the following distribution:   What is the relative class frequency for the $25 up to $35 class?

Accepted Answer

A)  .02 
B)  .04 
C)  .05 
D)  .10 
A)  .02 
B)  .04 
C)  .05 
D)  .10

Question 19

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel.   Draw a bar graph that illustrates the preceding frequency table.

Accepted Answer

@#IMG-DLM& Explanation: A graph with appropriate l

Question 20

To summarize the gender of students attending a college, the number of classes in a frequency distribution depends on the number of students.

Accepted Answer

A) True 
 B)False

A class relative frequency represents a __________ of the total observations in the class.

Refer to the following wage breakdown for a garment factory. What are the class limits for the class with the smallest frequencies?

For the following distribution of heights, what are the limits for the class with the greatest frequency?

Refer to the following distribution of commissions: To plot a cumulative frequency distribution, the first coordinate would be _________.

To calculate a relative frequency, a class frequency is divided by ___________.

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire?" What is the class with the greatest frequency?

What is the difference between a frequency distribution and a cumulative frequency distribution?

The first three class marks for a frequency distribution of "weights of college men" recorded to the nearest pound are 105, 115, and 125. What is the class interval?

Refer to the following distribution of commissions: For the preceding distribution, what is the midpoint of the class with the greatest frequency?

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table: Why is the table NOT a frequency distribution?

Unorganized data is referred to as ________ data.

For a relative frequency distribution, relative frequency is computed as _____________.

To construct a pie chart, the class frequencies are converted to __________.

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table: What type of chart best represents relative class frequencies?

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire?" What type of chart should be used to describe the frequency table?

Refer to the following distribution of commissions: What is the relative frequency for those salespersons that earn from $1,600 up to $1,800?

A frequency distribution groups data into classes showing the number of observations in each class.

Refer to the following distribution: What is the relative class frequency for the $25 up to $35 class?

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel. Draw a bar graph that illustrates the preceding frequency table.

To summarize the gender of students attending a college, the number of classes in a frequency distribution depends on the number of students.

What Is Statistics

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Nominal Level Hypothesis Tests

Nonparametric Methods: Analysis of Ordinal Data

Index Numbers

Time Series and Forecasting

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters

Exam 2: Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

A class relative frequency represents a __________ of the total observations in the class.

Refer to the following wage breakdown for a garment factory. What are the class limits for the class with the smallest frequencies?

For the following distribution of heights, what are the limits for the class with the greatest frequency?

Refer to the following distribution of commissions: To plot a cumulative frequency distribution, the first coordinate would be _________.

To calculate a relative frequency, a class frequency is divided by ___________.

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire?" What is the class with the greatest frequency?

What is the difference between a frequency distribution and a cumulative frequency distribution?

The first three class marks for a frequency distribution of "weights of college men" recorded to the nearest pound are 105, 115, and 125. What is the class interval?

Refer to the following distribution of commissions: For the preceding distribution, what is the midpoint of the class with the greatest frequency?

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table: Why is the table NOT a frequency distribution?

Unorganized data is referred to as ________ data.

For a relative frequency distribution, relative frequency is computed as _____________.

To construct a pie chart, the class frequencies are converted to __________.

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table: What type of chart best represents relative class frequencies?

Refer to the following breakdown of responses to a survey of "How confident are you that you saved enough to retire?" What type of chart should be used to describe the frequency table?

Refer to the following distribution of commissions: What is the relative frequency for those salespersons that earn from $1,600 up to $1,800?

A frequency distribution groups data into classes showing the number of observations in each class.

Refer to the following distribution: What is the relative class frequency for the $25 up to $35 class?

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel. Draw a bar graph that illustrates the preceding frequency table.

To summarize the gender of students attending a college, the number of classes in a frequency distribution depends on the number of students.

What Is Statistics

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Nominal Level Hypothesis Tests

Nonparametric Methods: Analysis of Ordinal Data

Index Numbers

Time Series and Forecasting

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters