Question 1

Unorganized data is referred to as ________ data.

Accepted Answer

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

Question 2

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

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

A ______ chart is useful for displaying a relative frequency distribution.

Accepted Answer

The answer of A ______ chart is useful for displaying...

Question 4

To construct a histogram, the class frequencies are plotted on the ________________

Accepted Answer

The answer of To construct a histogram, the class frequencies...

Question 5

A data set has 200 observations. In the data, a quantitative variable's highest value is 1080 and its lowest value is 960. What is the minimum class interval that you would recommend? _____________

Accepted Answer

The intermediate answer is 8 c

Question 6

Refer to the following breakdown of responses to a survey of room service in a hotel.   What percent of the responses indicated that customers were satisfied?

Accepted Answer

A)  40% 
B)  33% 
C)  50% 
D)  100% 
A)  40% 
B)  33% 
C)  50% 
D)  100%

Question 7

The monthly salaries of a sample of 100 employees were rounded to the nearest ten dollars. They ranged from a low of $1,040 to a high of $1,720. If we want to condense the data into seven classes, what is the most convenient class interval?

Accepted Answer

A)  $50 
B)  $100 
C)  $150 
D)  $200 
A)  $50 
B)  $100 
C)  $150 
D)  $200

Question 8

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel.   Draw a pie chart that illustrates the relative frequencies.

Accepted Answer

The pie chart should be divided into thr

Question 9

When data is collected using a qualitative, nominal variable, i.e., male or female, what is true about a frequency distribution that summarizes the data?

Accepted Answer

A)  Upper and lower class limits must be calculated. 
B)  Class midpoints can be computed. 
C)  Number of classes corresponds to the number of a variable's values. 
D)  The "2 to the k rule" can be applied. 
A)  Upper and lower class limits must be calculated. 
B)  Class midpoints can be computed. 
C)  Number of classes corresponds to the number of a variable's values. 
D)  The "2 to the k rule" can be applied.

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

Refer to the following information from a frequency distribution for "heights of college women" recorded to the nearest inch: The first two class midpoints are 62.5" and 65.5".
What is the class interval?

Accepted Answer

A)  1" 
B)  2" 
C)  2.5" 
D)  3" 
A)  1" 
B)  2" 
C)  2.5" 
D)  3"

Question 12

Refer to the following distribution:   What is the class midpoint for the $45 up to $55 class?

Accepted Answer

A)  49 
B)  49.5 
C)  50 
D)  50.5 
A)  49 
B)  49.5 
C)  50 
D)  50.5

Question 13

In a deck of cards, a class of all cards that are hearts and a class of all cards that are kings are NOT ______________.

Accepted Answer

The answer of In a deck of cards, a class...

Question 14

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 show relative class frequencies?

Accepted Answer

A)  Pie chart 
B)  Bar chart 
C)  Histogram 
D)  Frequency Polygon 
A)  Pie chart 
B)  Bar chart 
C)  Histogram 
D)  Frequency Polygon

Question 15

Refer to the following distribution of ages:   For the distribution of ages above, what is the relative class frequency for the lowest class?

Accepted Answer

A)  .50 
B)  .18 
C)  .20 
D)  .10 
A)  .50 
B)  .18 
C)  .20 
D)  .10

Question 16

The following frequency distribution shows the distribution of delivery times (in days) for swimstuff.com customer orders during the last month.   How many orders were delivered in less than three days?

Accepted Answer

The answer of The following frequency distribution shows the distribution...

Question 17

A _____ chart is useful for displaying a frequency distribution for a nominal variable.

Accepted Answer

The answer of A _____ chart is useful for displaying...

Question 18

Refer to the following class marks or midpoints for a frequency distribution of "weights of college men" recorded to the nearest pound:
The first three class marks are 105, 115, and 125.
What is the lower limit for the third class? _______

Accepted Answer

The answer of Refer to the following class marks or...

Question 19

The following frequency distribution shows the distribution of delivery times (in days) for swimstuff.com customer orders during the last month.   What is the relative frequency for orders delivered in less than one day or 24 hours?

Accepted Answer

The answer of The following frequency distribution shows the distribution...

Question 20

What is the number of observations in each class of a frequency distribution called? _________________________

Accepted Answer

Class freq

Unorganized data is referred to as ________ data.

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

A ______ chart is useful for displaying a relative frequency distribution.

To construct a histogram, the class frequencies are plotted on the ________________

A data set has 200 observations. In the data, a quantitative variable's highest value is 1080 and its lowest value is 960. What is the minimum class interval that you would recommend? _____________

Refer to the following breakdown of responses to a survey of room service in a hotel. What percent of the responses indicated that customers were satisfied?

The monthly salaries of a sample of 100 employees were rounded to the nearest ten dollars. They ranged from a low of $1,040 to a high of $1,720. If we want to condense the data into seven classes, what is the most convenient class interval?

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel. Draw a pie chart that illustrates the relative frequencies.

When data is collected using a qualitative, nominal variable, i.e., male or female, what is true about a frequency distribution that summarizes the data?

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?

Refer to the following information from a frequency distribution for "heights of college women" recorded to the nearest inch: The first two class midpoints are 62.5" and 65.5". What is the class interval?

Refer to the following distribution: What is the class midpoint for the $45 up to $55 class?

In a deck of cards, a class of all cards that are hearts and a class of all cards that are kings are NOT ______________.

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 show relative class frequencies?

Refer to the following distribution of ages: For the distribution of ages above, what is the relative class frequency for the lowest class?

The following frequency distribution shows the distribution of delivery times (in days) for swimstuff.com customer orders during the last month. How many orders were delivered in less than three days?

A _____ chart is useful for displaying a frequency distribution for a nominal variable.

Refer to the following class marks or midpoints for a frequency distribution of "weights of college men" recorded to the nearest pound: The first three class marks are 105, 115, and 125. What is the lower limit for the third class? _______

The following frequency distribution shows the distribution of delivery times (in days) for swimstuff.com customer orders during the last month. What is the relative frequency for orders delivered in less than one day or 24 hours?

What is the number of observations in each class of a frequency distribution called? _________________________

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

Index Numbers

Time Series and Forecasting

Nonparametric Methods: Goodness-Of-Fit Tests

Nonparametric Methods: Analysis of Ranked Data

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters

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

Unorganized data is referred to as ________ data.

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

A ______ chart is useful for displaying a relative frequency distribution.

To construct a histogram, the class frequencies are plotted on the ________________

A data set has 200 observations. In the data, a quantitative variable's highest value is 1080 and its lowest value is 960. What is the minimum class interval that you would recommend? _____________

Refer to the following breakdown of responses to a survey of room service in a hotel. What percent of the responses indicated that customers were satisfied?

The monthly salaries of a sample of 100 employees were rounded to the nearest ten dollars. They ranged from a low of $1,040 to a high of $1,720. If we want to condense the data into seven classes, what is the most convenient class interval?

Refer to the following breakdown of responses to a survey of room cleanliness in a hotel. Draw a pie chart that illustrates the relative frequencies.

When data is collected using a qualitative, nominal variable, i.e., male or female, what is true about a frequency distribution that summarizes the data?

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?

Refer to the following information from a frequency distribution for "heights of college women" recorded to the nearest inch: The first two class midpoints are 62.5" and 65.5". What is the class interval?

Refer to the following distribution: What is the class midpoint for the $45 up to $55 class?

In a deck of cards, a class of all cards that are hearts and a class of all cards that are kings are NOT ______________.

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 show relative class frequencies?

Refer to the following distribution of ages: For the distribution of ages above, what is the relative class frequency for the lowest class?

The following frequency distribution shows the distribution of delivery times (in days) for swimstuff.com customer orders during the last month. How many orders were delivered in less than three days?

A _____ chart is useful for displaying a frequency distribution for a nominal variable.

Refer to the following class marks or midpoints for a frequency distribution of "weights of college men" recorded to the nearest pound: The first three class marks are 105, 115, and 125. What is the lower limit for the third class? _______

The following frequency distribution shows the distribution of delivery times (in days) for swimstuff.com customer orders during the last month. What is the relative frequency for orders delivered in less than one day or 24 hours?

What is the number of observations in each class of a frequency distribution called? _________________________

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

Index Numbers

Time Series and Forecasting

Nonparametric Methods: Goodness-Of-Fit Tests

Nonparametric Methods: Analysis of Ranked Data

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters