Question 1

What are the boundaries of the class 4-18?

Accepted Answer

A) 4 
B) 14 
C) 4 and 18 
D) 3.5 and 14.5 
A) 4 
B) 14 
C) 4 and 18 
D) 3.5 and 14.5

Question 2

What is the lower class limit in the class -7 to 14

Accepted Answer

A) -7 
B) 3.5 
C) 14 
D) -7.5 
A) -7 
B) 3.5 
C) 14 
D) -7.5

Question 3

Find the class with the greatest number of data values.

Accepted Answer

A) 70 
B) 90 
C) 60 
D) 40 
A) 70 
B) 90 
C) 60 
D) 40

Question 4

A Pareto chart is useful for showing percentages of the total.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is a histogram?

Accepted Answer

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

Question 6

Using the following frequency distribution, construct a frequency
polygon.

Accepted Answer

The answer of Using the following frequency distribution, construct a...

Question 7

A histogram is a graph that represents the cumulative frequencies for the classes in a frequency
distribution.

Accepted Answer

A) True 
 B)False

Question 8

Construct a Pareto chart for the following distribution:

Accepted Answer

Sorted in the order

Question 9

An ogive and a frequency polygon have the same overall shape.

Accepted Answer

A) True 
 B)False

Question 10

The lower class limit represents the smallest data value that can be included in the class.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following should not be done when constructing a frequency distribution?

Accepted Answer

A) select the number of classes desired 
B) find the range 
C) use a class width with an even number 
D) use classes that are mutually exclusive 
A) select the number of classes desired 
B) find the range 
C) use a class width with an even number 
D) use classes that are mutually exclusive

Question 12

The rate of mortality of children is very high in the first weeks of life.It then decreases rapidly until 1 or
2 years of age and then increases slowly into the teen years.In this situation one should construct relative
frequency distributions (per year of age) with narrow class widths during the first year of life so as to
exhibit the quickly changing mortality rate.

Accepted Answer

A) True 
 B)False

Question 13

Construct a pie chart for the following distribution:

Accepted Answer

Varies depending on

Question 14

The cumulative frequency is the sum of the frequencies accumulated to the upper boundary of a class in
the distribution.

Accepted Answer

A) True 
 B)False

Question 15

For the numbers -5, -2, -7, and 0, which of the following that includes all four is a good class?

Accepted Answer

A) -8 to 1 
B) -5 to 1 
C) -7 to 0 
D) -7 to 1 
A) -8 to 1 
B) -5 to 1 
C) -7 to 0 
D) -7 to 1

Question 16

A frequency polygon and a histogram have the same overall shape.

Accepted Answer

A) True 
 B)False

Question 17

The frequency polygon is a graph that displays the data by using lines that connect points plotted for the
frequencies at the midpoints of the classes.

Accepted Answer

A) True 
 B)False

Question 18

A pie graph is not useful to show which of the following characteristics of data?

Accepted Answer

A) The trend of the data over time 
B) The relative frequencies of each category of the distribution 
C) Which categories make up the larger proportions of the total 
D) Which categories make up the smaller proportions of the total 
A) The trend of the data over time 
B) The relative frequencies of each category of the distribution 
C) Which categories make up the larger proportions of the total 
D) Which categories make up the smaller proportions of the total

Question 19

A stem and leaf plot is useful for keeping more precision than a grouped frequency distribution.

Accepted Answer

A) True 
 B)False

Question 20

The graphs that have their distributions as proportions instead of raw data as frequencies are called

Accepted Answer

A) relative frequency graphs. 
B) ogive graphs. 
C) histograms. 
A) relative frequency graphs. 
B) ogive graphs. 
C) histograms.

What are the boundaries of the class 4-18?

What is the lower class limit in the class -7 to 14

Find the class with the greatest number of data values.

A Pareto chart is useful for showing percentages of the total.

Which of the following is a histogram?

Using the following frequency distribution, construct a frequency polygon.

A histogram is a graph that represents the cumulative frequencies for the classes in a frequency distribution.

Construct a Pareto chart for the following distribution:

An ogive and a frequency polygon have the same overall shape.

The lower class limit represents the smallest data value that can be included in the class.

Which of the following should not be done when constructing a frequency distribution?

Construct a pie chart for the following distribution:

The cumulative frequency is the sum of the frequencies accumulated to the upper boundary of a class in the distribution.

For the numbers -5, -2, -7, and 0, which of the following that includes all four is a good class?

A frequency polygon and a histogram have the same overall shape.

The frequency polygon is a graph that displays the data by using lines that connect points plotted for the frequencies at the midpoints of the classes.

A pie graph is not useful to show which of the following characteristics of data?

A stem and leaf plot is useful for keeping more precision than a grouped frequency distribution.

The graphs that have their distributions as proportions instead of raw data as frequencies are called

The Nature of Probability and Statistics

Data Description

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Nonparametric Statistics

Sampling and Simulation

Filters

Exam 2: Frequency Distributions and Graphs

What are the boundaries of the class 4-18?

What is the lower class limit in the class -7 to 14

Find the class with the greatest number of data values.

A Pareto chart is useful for showing percentages of the total.

Which of the following is a histogram?

Using the following frequency distribution, construct a frequency polygon.

A histogram is a graph that represents the cumulative frequencies for the classes in a frequency distribution.

Construct a Pareto chart for the following distribution:

An ogive and a frequency polygon have the same overall shape.

The lower class limit represents the smallest data value that can be included in the class.

Which of the following should not be done when constructing a frequency distribution?

Construct a pie chart for the following distribution:

The cumulative frequency is the sum of the frequencies accumulated to the upper boundary of a class in the distribution.

For the numbers -5, -2, -7, and 0, which of the following that includes all four is a good class?

A frequency polygon and a histogram have the same overall shape.

The frequency polygon is a graph that displays the data by using lines that connect points plotted for the frequencies at the midpoints of the classes.

A pie graph is not useful to show which of the following characteristics of data?

A stem and leaf plot is useful for keeping more precision than a grouped frequency distribution.

The graphs that have their distributions as proportions instead of raw data as frequencies are called

The Nature of Probability and Statistics

Data Description

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Nonparametric Statistics

Sampling and Simulation

Filters