Question 1

Construct a stem-and-leaf plot for the following data.
$\begin{array}{llllllllll}
\hline 28 & 47 & 19 & 39 & 30 & 54 & 48 & 21 & 58 & 52 \
36 & 36 & 53 & 63 & 29 & 24 & 43 & 30 & 30 & 46 \
\hline
\end{array}$

Accepted Answer

A) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 00066 \
4 & 36789 \
5 & 2348 \
6 & 3
\end{array}$ 
B) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 000669 \
4 & 3678 \
5 & 248 \
6 & 33
\end{array}$ 
C) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 00669 \
4 & 03678 \
5 & 2348 \
6 & 3
\end{array}$ 
D) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 000669 \
4 & 3678 \
5 & 2348 \
6 & 3
\end{array}$ 
A) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 00066 \
4 & 36789 \
5 & 2348 \
6 & 3
\end{array}$ 
B) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 000669 \
4 & 3678 \
5 & 248 \
6 & 33
\end{array}$ 
C) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 00669 \
4 & 03678 \
5 & 2348 \
6 & 3
\end{array}$ 
D) 
$\begin{array}{l|l}
\hline 1 & 9 \
2 & 1489 \
3 & 000669 \
4 & 3678 \
5 & 2348 \
6 & 3
\end{array}$

Question 2

The following frequency distribution presents the frequency of passenger vehicles that pa through a certain intersection from 8:00 AM to 9:00 AM on a particular day.
$\begin{array}{cc}
\hline \text { Vehicle Type } & \text { Frequency } \
\hline \text { Motorcycle } & 9 \
\text { Sedan } & 20 \
\text { SUV } & 25 \
\text { Truck } & 39 \
\hline
\end{array}$
Construct a pie chart for the data.

Accepted Answer

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

Question 3

Which of the following is a histogram?

Accepted Answer

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

Question 4

When the range is large, and classes that are several units in width are needed, a
frequency distribution is used.

Accepted Answer

The answer of When the range is large, and classes...

Question 5

Thirty households were surveyed for the number of televisions in each home. Following a results.
$\begin{array}{llllllllll}
\hline 2 & 2 & 0 & 1 & 1 & 2 & 0 & 0 & 5 & 2 \
4 & 4 & 2 & 1 & 0 & 0 & 0 & 0 & 0 & 0 \
0 & 2 & 0 & 0 & 3 & 1 & 1 & 1 & 0 & 0 \
\hline
\end{array}$

Construct a frequency histogram.

Accepted Answer

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

Question 6

What is the midpoint of the class 6-10?

Accepted Answer

A)  4 
B)  8 
C)  5 
D)  8.5 
A)  4 
B)  8 
C)  5 
D)  8.5

Question 7

Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store. What type of distribution would be best?

Accepted Answer

A)  cumulative 
B)  ungrouped 
C)  categorical 
D)  grouped 
A)  cumulative 
B)  ungrouped 
C)  categorical 
D)  grouped

Question 8

Which of the following does not need to be done when constructing a frequency distribution?

Accepted Answer

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

Question 9

Accepted Answer

A)  65-75 
B)  75-85 
C)  55-65 
D)  85-95 
A)  65-75 
B)  75-85 
C)  55-65 
D)  85-95

Question 10

Which graph should be used to represent the frequencies with which certain courses are taken at Highlands Middle School?

Accepted Answer

A)  Pareto chart 
B)  pictograph 
C)  time series graph 
D)  pie graph 
A)  Pareto chart 
B)  pictograph 
C)  time series graph 
D)  pie graph

Question 11

Graphs give a visual representation that may enable readers to analyze and interpret data
more easily than simply looking at tables of numbers.

Accepted Answer

A) True 
 B)False

Question 12

The of a specific class is the number of data values contained in it.

Accepted Answer

The answer of The of a specific class is the...

Question 13

Which of the following is a frequency polygon?

Accepted Answer

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

Question 14

$$\begin{array}{l}
\text { State the reason why the following frequency distribution is incorrectly constructed. }\
\begin{array} { c c } 
\text { Class } & \text { Frequency } \
\hline 45 - 50 & 3 \
50 - 55 & 0 \
55 - 60 & 6 \
60 - 65 & 5 \
65 - 70 & 3
\end{array}
\end{array}$$

Accepted Answer

A)  class limits overlap 
B)  a class has been omitted 
C)  there is no percent column 
D)  class width is not uniform 
A)  class limits overlap 
B)  a class has been omitted 
C)  there is no percent column 
D)  class width is not uniform

Question 15

Accepted Answer

The answer of  ...

Question 16

What is the midpoint of the class 17-20?

Accepted Answer

A)  1.5 
B)  18 
C)  18.5 
D)  3 
A)  1.5 
B)  18 
C)  18.5 
D)  3

Question 17

Given the following two sets of data, draw a back-to-back stem and leaf plot.
A - 12, 22, 22, 24, 34, 31, 26, 35, 27, 39, 49, 10
B - 45, 36, 23, 16, 37, 28, 18, 13, 10, 23, 30, 31

Accepted Answer

The answer of Given the following two sets of data,...

Question 18

Thirty students recorded the colors of their eyes, choosing from the colors brown, blue, green, hazel, and black. This data can be appropriately summarized in a(n)
)

Accepted Answer

A)  open-ended distribution 
B)  upper boundary 
C)  categorical frequency distribution 
D)  grouped frequency distribution 
A)  open-ended distribution 
B)  upper boundary 
C)  categorical frequency distribution 
D)  grouped frequency distribution

Question 19

If a data set showing types of pizza ordered at a particular restaurant indicates 24 out of 72 orders were for pepperoni pizza, how many degrees would be needed to represent
Pepperoni pizza in a pie chart?

Accepted Answer

A)  $150 ^ { \circ }$ 
B)  $60 ^ { \circ }$ 
C)  $120 ^ { \circ }$ 
D)  $90 ^ { \circ }$ 
A)  $150 ^ { \circ }$ 
B)  $60 ^ { \circ }$ 
C)  $120 ^ { \circ }$ 
D)  $90 ^ { \circ }$

Question 20

Graphs that show distributions using proportions instead of raw data as frequencies are called

Accepted Answer

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

Construct a stem-and-leaf plot for the following data. 28 47 19 39 30 54 48 21 58 52 36 36 53 63 29 24 43 30 30 46

The following frequency distribution presents the frequency of passenger vehicles that pa through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 9 Sedan 20 SUV 25 Truck 39 Construct a pie chart for the data.

Which of the following is a histogram?

When the range is large, and classes that are several units in width are needed, a frequency distribution is used.

Thirty households were surveyed for the number of televisions in each home. Following a results. 2 2 0 1 1 2 0 0 5 2 4 4 2 1 0 0 0 0 0 0 0 2 0 0 3 1 1 1 0 0 Construct a frequency histogram.

What is the midpoint of the class 6-10?

Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store. What type of distribution would be best?

Which of the following does not need to be done when constructing a frequency distribution?

Which graph should be used to represent the frequencies with which certain courses are taken at Highlands Middle School?

Graphs give a visual representation that may enable readers to analyze and interpret data more easily than simply looking at tables of numbers.

The of a specific class is the number of data values contained in it.

Which of the following is a frequency polygon?

State the reason why the following frequency distribution is incorrectly constructed. Class Frequency 45-50 3 50-55 0 55-60 6 60-65 5 65-70 3

What is the midpoint of the class 17-20?

Given the following two sets of data, draw a back-to-back stem and leaf plot. A - 12, 22, 22, 24, 34, 31, 26, 35, 27, 39, 49, 10 B - 45, 36, 23, 16, 37, 28, 18, 13, 10, 23, 30, 31

Thirty students recorded the colors of their eyes, choosing from the colors brown, blue, green, hazel, and black. This data can be appropriately summarized in a(n) )

If a data set showing types of pizza ordered at a particular restaurant indicates 24 out of 72 orders were for pepperoni pizza, how many degrees would be needed to represent Pepperoni pizza in a pie chart?

Graphs that show distributions using proportions instead of raw data as frequencies are called

The Nature of Probability and Statistics

Data Description

Probability and Counting Rules

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

Construct a stem-and-leaf plot for the following data. 28 47 19 39 30 54 48 21 58 52 36 36 53 63 29 24 43 30 30 46

The following frequency distribution presents the frequency of passenger vehicles that pa through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 9 Sedan 20 SUV 25 Truck 39 Construct a pie chart for the data.

Which of the following is a histogram?

When the range is large, and classes that are several units in width are needed, a frequency distribution is used.

Thirty households were surveyed for the number of televisions in each home. Following a results. 2 2 0 1 1 2 0 0 5 2 4 4 2 1 0 0 0 0 0 0 0 2 0 0 3 1 1 1 0 0 Construct a frequency histogram.

What is the midpoint of the class 6-10?

Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store. What type of distribution would be best?

Which of the following does not need to be done when constructing a frequency distribution?

Which graph should be used to represent the frequencies with which certain courses are taken at Highlands Middle School?

Graphs give a visual representation that may enable readers to analyze and interpret data more easily than simply looking at tables of numbers.

The of a specific class is the number of data values contained in it.

Which of the following is a frequency polygon?

State the reason why the following frequency distribution is incorrectly constructed. Class Frequency 45-50 3 50-55 0 55-60 6 60-65 5 65-70 3

What is the midpoint of the class 17-20?

Given the following two sets of data, draw a back-to-back stem and leaf plot. A - 12, 22, 22, 24, 34, 31, 26, 35, 27, 39, 49, 10 B - 45, 36, 23, 16, 37, 28, 18, 13, 10, 23, 30, 31

Thirty students recorded the colors of their eyes, choosing from the colors brown, blue, green, hazel, and black. This data can be appropriately summarized in a(n) )

If a data set showing types of pizza ordered at a particular restaurant indicates 24 out of 72 orders were for pepperoni pizza, how many degrees would be needed to represent Pepperoni pizza in a pie chart?

Graphs that show distributions using proportions instead of raw data as frequencies are called

The Nature of Probability and Statistics

Data Description

Probability and Counting Rules

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