Question 1

Accepted Answer

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

Question 2

Following are the numbers of Dean's List students in a random sample of 20 university co Construct a dotplot for these data.
$\begin{array}{lllll}
\hline 0 & 1 & 0 & 3 & 3 \
2 & 5 & 5 & 0 & 2 \
3 & 5 & 6 & 0 & 3 \
4 & 5 & 2 & 6 & 0 \
\hline
\end{array}$
 urses.

Accepted Answer

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

Question 3

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 4

Using the ogive shown below, what is the cumulative frequency of data values less than o to 16 ?
 
 r equal

Accepted Answer

A)  20 
B)  30 
C)  66 
D)  60 
A)  20 
B)  30 
C)  66 
D)  60

Question 5

$$\text { A Pareto chart does $\underline { not }$ have which of the following properties? }$$

Accepted Answer

A)  frequencies arranged from highest to lowest 
B)  frequencies displayed by the heights of vertical bars 
C)  classes of data are categorical 
D)  quantitative variable on the horizontal axis 
A)  frequencies arranged from highest to lowest 
B)  frequencies displayed by the heights of vertical bars 
C)  classes of data are categorical 
D)  quantitative variable on the horizontal axis

Question 6

$$\text { How many values are in the data set whose histogram is shown below ? }$$

Accepted Answer

A)  72 
B)  76 
C)  6 
D)  22 
A)  72 
B)  76 
C)  6 
D)  22

Question 7

A survey was taken on how much trust people place in the information they read on the Ir Construct a categorical frequency distribution for the data. A trust in all that they read, $ M $ trust in most of what they read, $ \mathrm{H} \quad $ trust in about one-half of what they read, $ \mathrm{S} $ trust in a small portion of what they read.

$\begin{array}{llllllllll}
\mathrm{M} & \mathrm{H} & \mathrm{M} & \mathrm{M} & \mathrm{H} & \mathrm{M} & \mathrm{M} & \mathrm{H} & \mathrm{M} & \mathrm{S} \
\mathrm{H} & \mathrm{A} & \mathrm{M} & \mathrm{H} & \mathrm{M} & \mathrm{H} & \mathrm{M} & \mathrm{M} & \mathrm{H} & \mathrm{M} \
\mathrm{H} & \mathrm{M} & \mathrm{M} & \mathrm{M} & \mathrm{M} & \mathrm{S} & \mathrm{M} & \mathrm{M} & \mathrm{A} & \mathrm{S} \
\mathrm{M} & \mathrm{H} & \mathrm{M} & \mathrm{M} & \mathrm{M} & \mathrm{S} & \mathrm{H} & \mathrm{M} & \mathrm{M} & \mathrm{M}
\end{array}$

Accepted Answer

A) 
$\begin{array}{c|c}
\text { Class } & \text { Frequency } \
\hline \mathrm{A} & 2 \
\mathrm{M} & 22 \
\mathrm{H} & 12 \
\mathrm{~S} & 4
\end{array}$ 
B) 
$\begin{array}{c|c}
\text { Class } & \text { Frequency } \
\hline \mathrm{A} & 2 \
\mathrm{M} & 24 \
\mathrm{H} & 10 \
\mathrm{~S} & 4
\end{array}$ 
C) 
$\begin{array}{c|c|c}
\text { Class } & \text { Freq } & \text { Percent } \
\hline \mathrm{A} & 2 & 5 \% \
\mathrm{M} & 22 & 55 \% \
\mathrm{H} & 12 & 30 \% \
\mathrm{~S} & \underline{4} & \underline{10 \%} \
& 40 & 100 \%
\end{array}$ 
D) 
$\begin{array}{c|c|c}
\text { Class } & \text { Freq } & \text { Percent } \
\hline \mathrm{A} & 2 & 5 \% \
\mathrm{M} & 24 & 60 \% \
\mathrm{H} & 10 & 25 \% \
\mathrm{~S} & \underline{4} & \underline{10 \%} \
& 40 & 100 \%
\end{array}$

nternet. 
A) 
$\begin{array}{c|c}
\text { Class } & \text { Frequency } \
\hline \mathrm{A} & 2 \
\mathrm{M} & 22 \
\mathrm{H} & 12 \
\mathrm{~S} & 4
\end{array}$ 
B) 
$\begin{array}{c|c}
\text { Class } & \text { Frequency } \
\hline \mathrm{A} & 2 \
\mathrm{M} & 24 \
\mathrm{H} & 10 \
\mathrm{~S} & 4
\end{array}$ 
C) 
$\begin{array}{c|c|c}
\text { Class } & \text { Freq } & \text { Percent } \
\hline \mathrm{A} & 2 & 5 \% \
\mathrm{M} & 22 & 55 \% \
\mathrm{H} & 12 & 30 \% \
\mathrm{~S} & \underline{4} & \underline{10 \%} \
& 40 & 100 \%
\end{array}$ 
D) 
$\begin{array}{c|c|c}
\text { Class } & \text { Freq } & \text { Percent } \
\hline \mathrm{A} & 2 & 5 \% \
\mathrm{M} & 24 & 60 \% \
\mathrm{H} & 10 & 25 \% \
\mathrm{~S} & \underline{4} & \underline{10 \%} \
& 40 & 100 \%
\end{array}$

nternet.

Question 8

In an ungrouped frequency distribution of the average age of high school graduates, what would be the boundaries for the class of graduates who were reported to be 18 years old?

Accepted Answer

A)  17.5-18.5 years old 
B)  17.6-19.5 years old 
C)  17.6-18.5 years old 
D)  17-19 years old 
A)  17.5-18.5 years old 
B)  17.6-19.5 years old 
C)  17.6-18.5 years old 
D)  17-19 years old

Question 9

For the class 16.3-23.8, the width is 8.5.

Accepted Answer

A) True 
 B)False

Question 10

A time series graph represents data that occur over a specific time period.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following could be an ogive?

Accepted Answer

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

Question 12

A Pareto chart arranges data from largest to smallest according to frequencies.

Accepted Answer

A) True 
 B)False

Question 13

A pie graph would best represent the number of inches of rain that has fallen in Ohio
each day for the past 2 months.

Accepted Answer

A) True 
 B)False

Question 14

A stem and leaf plot has the advantage over a grouped frequency distribution of retaining
the actual data while still showing them in graphical form.

Accepted Answer

A) True 
 B)False

Question 15

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.
$\begin{array}{cc}
\hline \text { Vehicle Type } & \text { Frequency } \
\hline \text { Motorcycle } & 5 \
\text { Sedan } & 95 \
\text { SUV } & 65 \
\text { Truck } & 30 \
\hline
\end{array}$
Construct a frequency bar graph for the data.

Accepted Answer

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

Question 16

Construct a dotplot for the following data.
$\begin{array}{llllllllll}
\hline 3.99 & 4.02 & 3.97 & 3.94 & 3.94 & 3.92 & 3.91 & 3.91 & 3.91 & 4.04 \
3.98 & 3.94 & 3.96 & 3.97 & 3.94 & 3.99 & 3.93 & 3.90 & 3.97 & 3.99 \
\hline
\end{array}$

Accepted Answer

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

Question 17

What is the lower class limit in the class 8-12?

Accepted Answer

A)  7.5 
B)  8.5 
C)  10 
D)  8 
A)  7.5 
B)  8.5 
C)  10 
D)  8

Question 18

A recent statistics exam yielded the following 25 scores. Construct a grouped frequency distribution with the class limits shown below.
$ \begin{array}{lllll}63 & 86 & 77 & 51 & 67\end{array} $
$ \begin{array}{lllll}55 & 89 & 63 & 68 & 96\end{array} $
$ \begin{array}{lllll}81 & 82 & 44 & 80 & 90\end{array} $
$ \begin{array}{lllll}77 & 87 & 74 & 91 & 59\end{array} $
$ \begin{array}{lllll}77 & 79 & 45 & 87 & 97\end{array} $

Accepted Answer

A) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 2 \
51-60 & 2 \
61-70 & 5 \
71-80 & 6 \
81-90 & 7 \
91-100 & 3
\end{array}$ 
B) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 2 \
51-60 & 3 \
61-70 & 4 \
71-80 & 6 \
81-90 & 7 \
91-100 & 3
\end{array}$ 
C) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 3 \
51-60 & 2 \
61-70 & 4 \
71-80 & 7 \
81-90 & 6 \
91-100 & 3
\end{array}$ 
D) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 2 \
51-60 & 3 \
61-70 & 5 \
71-80 & 5 \
81-90 & 6 \
91-100 & 4
\end{array}$ 
A) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 2 \
51-60 & 2 \
61-70 & 5 \
71-80 & 6 \
81-90 & 7 \
91-100 & 3
\end{array}$ 
B) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 2 \
51-60 & 3 \
61-70 & 4 \
71-80 & 6 \
81-90 & 7 \
91-100 & 3
\end{array}$ 
C) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 3 \
51-60 & 2 \
61-70 & 4 \
71-80 & 7 \
81-90 & 6 \
91-100 & 3
\end{array}$ 
D) 
$\begin{array}{cc}
\text { Class Limits } & \text { Frequency } \
41-50 & 2 \
51-60 & 3 \
61-70 & 5 \
71-80 & 5 \
81-90 & 6 \
91-100 & 4
\end{array}$

Question 19

Karen is constructing a pie graph to represent the number of hours her classmates do homework each day. She found that 8 of 24 classmates did homework for three hours
Each day. In her pie graph, this would represent how many degrees?

Accepted Answer

A)  $240 ^ { \circ }$ 
B)  $45 ^ { \circ }$ 
C)  $135 ^ { \circ }$ 
D)  $120^ { \circ }$ 
A)  $240 ^ { \circ }$ 
B)  $45 ^ { \circ }$ 
C)  $135 ^ { \circ }$ 
D)  $120^ { \circ }$

Question 20

$$\begin{array}{l}
\text { Given the following frequency distribution, how many pieces of data were less than } 28.5 \text { ? }\
\begin{array} { c c } 
\text { Class Boundaries } & \text { Frequencies } \
13.5 - 18.5 & 4 \
18.5 - 23.5 & 9 \
23.5 - 28.5 & 12 \
28.5 - 33.5 & 15 \
33.5 - 38.5 & 17
\end{array}
\end{array}$$

Accepted Answer

A)  13 
B)  12 
C)  25 
D)  44 
A)  13 
B)  12 
C)  25 
D)  44

Following are the numbers of Dean's List students in a random sample of 20 university co Construct a dotplot for these data. 0 1 0 3 3 2 5 5 0 2 3 5 6 0 3 4 5 2 6 0 urses.

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.

Using the ogive shown below, what is the cumulative frequency of data values less than o to 16 ? r equal

$\text { A Pareto chart does \underline { not } have which of the following properties? }$

$\text { How many values are in the data set whose histogram is shown below ? }$ $\text { How many values are in the data set whose histogram is shown below ? }$

In an ungrouped frequency distribution of the average age of high school graduates, what would be the boundaries for the class of graduates who were reported to be 18 years old?

For the class 16.3-23.8, the width is 8.5.

A time series graph represents data that occur over a specific time period.

Which of the following could be an ogive?

A Pareto chart arranges data from largest to smallest according to frequencies.

A pie graph would best represent the number of inches of rain that has fallen in Ohio each day for the past 2 months.

A stem and leaf plot has the advantage over a grouped frequency distribution of retaining the actual data while still showing them in graphical form.

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 5 Sedan 95 SUV 65 Truck 30 Construct a frequency bar graph for the data.

Construct a dotplot for the following data. 3.99 4.02 3.97 3.94 3.94 3.92 3.91 3.91 3.91 4.04 3.98 3.94 3.96 3.97 3.94 3.99 3.93 3.90 3.97 3.99

What is the lower class limit in the class 8-12?

Karen is constructing a pie graph to represent the number of hours her classmates do homework each day. She found that 8 of 24 classmates did homework for three hours Each day. In her pie graph, this would represent how many degrees?

Given the following frequency distribution, how many pieces of data were less than 28.5 ? Class Boundaries Frequencies 13.5-18.5 4 18.5-23.5 9 23.5-28.5 12 28.5-33.5 15 33.5-38.5 17

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

Following are the numbers of Dean's List students in a random sample of 20 university co Construct a dotplot for these data. 0 1 0 3 3 2 5 5 0 2 3 5 6 0 3 4 5 2 6 0 urses.

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.

Using the ogive shown below, what is the cumulative frequency of data values less than o to 16 ? r equal

A Pareto chart does not ‾ have which of the following properties? \text { A Pareto chart does \underline { not } have which of the following properties? } A Pareto chart does not ​ have which of the following properties?

How many values are in the data set whose histogram is shown below ? \text { How many values are in the data set whose histogram is shown below ? } How many values are in the data set whose histogram is shown below ?

In an ungrouped frequency distribution of the average age of high school graduates, what would be the boundaries for the class of graduates who were reported to be 18 years old?

For the class 16.3-23.8, the width is 8.5.

A time series graph represents data that occur over a specific time period.

Which of the following could be an ogive?

A Pareto chart arranges data from largest to smallest according to frequencies.

A pie graph would best represent the number of inches of rain that has fallen in Ohio each day for the past 2 months.

A stem and leaf plot has the advantage over a grouped frequency distribution of retaining the actual data while still showing them in graphical form.

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 5 Sedan 95 SUV 65 Truck 30 Construct a frequency bar graph for the data.

Construct a dotplot for the following data. 3.99 4.02 3.97 3.94 3.94 3.92 3.91 3.91 3.91 4.04 3.98 3.94 3.96 3.97 3.94 3.99 3.93 3.90 3.97 3.99

What is the lower class limit in the class 8-12?

A recent statistics exam yielded the following 25 scores. Construct a grouped frequency distribution with the class limits shown below. 63 86 77 51 67 55 89 63 68 96 81 82 44 80 90 77 87 74 91 59 77 79 45 87 97

Karen is constructing a pie graph to represent the number of hours her classmates do homework each day. She found that 8 of 24 classmates did homework for three hours Each day. In her pie graph, this would represent how many degrees?

Given the following frequency distribution, how many pieces of data were less than 28.5 ? Class Boundaries Frequencies 13.5-18.5 4 18.5-23.5 9 23.5-28.5 12 28.5-33.5 15 33.5-38.5 17

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

$\text { A Pareto chart does \underline { not } have which of the following properties? }$

$\text { How many values are in the data set whose histogram is shown below ? }$ $\text { How many values are in the data set whose histogram is shown below ? }$