Question 1

Excel's Chart Tools does NOT have a chart type for constructing a _____.

Accepted Answer

A)  bar chart 
B)  pie chart 
C)  histogram 
D)  stem-and-leaf display 
A)  bar chart 
B)  pie chart 
C)  histogram 
D)  stem-and-leaf display

Question 2

In Excel, the line of best fit for the points in a scatter diagram is called a _____.

Accepted Answer

A)  trendline 
B)  horizontal line 
C)  vertical line 
D)  fit line 
A)  trendline 
B)  horizontal line 
C)  vertical line 
D)  fit line

Question 3

We ask 30 people the following question: "How many people do you live with?" Below are the results in a dot plot.   What percentage of people surveyed live with 3 or less people?

Accepted Answer

A)  30% 
B)  40% 
C)  50% 
D)  90% 
A)  30% 
B)  40% 
C)  50% 
D)  90%

Question 4

The sum of frequencies for all classes will always equal _____.

Accepted Answer

A)  1 
B)  the number of elements in a data set 
C)  the number of classes 
D)  a value between 0 and 1 
A)  1 
B)  the number of elements in a data set 
C)  the number of classes 
D)  a value between 0 and 1

Question 5

A graphical device for depicting categorical data that have been summarized in a frequency distribution, relative frequency distribution, or percent frequency distribution is a(n) _____.

Accepted Answer

A)  histogram 
B)  stem-and-leaf display 
C)  ogive 
D)  bar chart 
A)  histogram 
B)  stem-and-leaf display 
C)  ogive 
D)  bar chart

Question 6

A graphical device for presenting categorical data summaries based on subdivision of a circle into sectors that correspond to the relative frequency for each class is a _____.

Accepted Answer

A)  histogram 
B)  stem-and-leaf display 
C)  pie chart 
D)  bar chart 
A)  histogram 
B)  stem-and-leaf display 
C)  pie chart 
D)  bar chart

Question 7

The minimum number of variables represented in a histogram is _____.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 8

A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3; West = 4. The designated geographical regions represent _____.

Accepted Answer

A)  categorical data 
B)  quantitative data 
C)  directional data 
D)  either quantitative or categorical data 
A)  categorical data 
B)  quantitative data 
C)  directional data 
D)  either quantitative or categorical data

Question 9

A common graphical presentation of quantitative data is a _____.

Accepted Answer

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

Question 10

In constructing a frequency distribution, as the number of classes is decreased, the class width _____.

Accepted Answer

A)  decreases 
B)  remains unchanged 
C)  increases 
D)  can increase or decrease depending on the data values 
A)  decreases 
B)  remains unchanged 
C)  increases 
D)  can increase or decrease depending on the data values

Question 11

In a cumulative frequency distribution, the last class will always have a cumulative frequency equal to _____.

Accepted Answer

A)  1 
B)  100% 
C)  the total number of elements in the data set 
D)  None of the answers is correct. 
A)  1 
B)  100% 
C)  the total number of elements in the data set 
D)  None of the answers is correct.

Question 12

Before drawing any conclusions about the relationship between two variables shown in a crosstabulation, you should _____.

Accepted Answer

A)  investigate whether any hidden variables could affect the conclusions 
B)  construct a scatter diagram and find the trendline 
C)  develop a relative frequency distribution 
D)  construct an ogive for each of the variables 
A)  investigate whether any hidden variables could affect the conclusions 
B)  construct a scatter diagram and find the trendline 
C)  develop a relative frequency distribution 
D)  construct an ogive for each of the variables

Question 13

Do males prefer a particular type of smartphone more than females? A survey was conducted to help answer this question. The results are displayed below.   What type of phone do males prefer?

Accepted Answer

A)  Android 
B)  iPhone 
C)  Males prefer Androids and iPhones equally. 
D)  cannot be determined based upon the information given in the graph 
A)  Android 
B)  iPhone 
C)  Males prefer Androids and iPhones equally. 
D)  cannot be determined based upon the information given in the graph

Question 14

In a stem-and-leaf display, _____.

Accepted Answer

A)  a single digit is used to define each stem, and a single digit is used to define each leaf 
B)  a single digit is used to define each stem, and one or more digits are used to define each leaf 
C)  one or more digits are used to define each stem, and a single digit is used to define each leaf 
D)  one or more digits are used to define each stem, and one or more digits are used to define each leaf 
A)  a single digit is used to define each stem, and a single digit is used to define each leaf 
B)  a single digit is used to define each stem, and one or more digits are used to define each leaf 
C)  one or more digits are used to define each stem, and a single digit is used to define each leaf 
D)  one or more digits are used to define each stem, and one or more digits are used to define each leaf

Question 15

The grades of 10 students on their first management test are shown below. $$\begin{array} { l l l l l } 
94 & 61 & 96 & 66 & 92 \
68 & 75 & 85 & 84 & 78
\end{array}$$ ​ 
a.
Construct a frequency distribution. Let the first class be 60−69.
b.
Construct a cumulative frequency distribution.
c.
Construct a relative frequency distribution.

Accepted Answer

The answer of The grades of 10 students on their...

Question 16

A tabular method that can be used to summarize the data on two variables simultaneously is called _____.

Accepted Answer

A)  simultaneous equations 
B)  a crosstabulation 
C)  a histogram 
D)  a dot plot 
A)  simultaneous equations 
B)  a crosstabulation 
C)  a histogram 
D)  a dot plot

Question 17

A __________ can be used to graphically present quantitative data.

Accepted Answer

A)  histogram 
B)  pie chart 
C)  stem-and-leaf display 
D)  histogram and a stem-and-leaf display 
A)  histogram 
B)  pie chart 
C)  stem-and-leaf display 
D)  histogram and a stem-and-leaf display

Question 18

The frequency distribution below was constructed from data collected from a group of 25 students. $$\begin{array} { l l } 
\text { Height (inches) } & \text { Frequency } \
\hline 58 - 63 & 3 \
64 - 69 & 5 \
70 - 75 & 2 \
76 - 81 & 6 \
82 - 87 & 4 \
88 - 93 & 3 \
94 - 99 & 2
\end{array}$$ ​ 
a.
Construct a relative frequency distribution.
b.
Construct a cumulative frequency distribution.
c.
Construct a cumulative relative frequency distribution.

Accepted Answer

The answer of The frequency distribution below was constructed from...

Question 19

You are given the following data on the annual salaries for 8 employees. Construct a stem-and-leaf display. Specify the leaf unit for the display. $$\begin{array} { l l l l } 
\$ 26,500 & \$ 27,850 & \$ 25,000 & \$ 27,460 \
\$ 26,890 & \$ 25,400 & \$ 26,150 & \$ 30,000
\end{array}$$

Accepted Answer

The answer of You are given the following data on...

Question 20

The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to _____.

Accepted Answer

A)  exclude a stem labeled '8' 
B)  include a stem labeled '8' and enter no leaves on the stem 
C)  include a stem labeled '(8)' and enter no leaves on the stem 
D)  include a stem labeled '8' and enter one leaf value of '0' on the stem 
A)  exclude a stem labeled '8' 
B)  include a stem labeled '8' and enter no leaves on the stem 
C)  include a stem labeled '(8)' and enter no leaves on the stem 
D)  include a stem labeled '8' and enter one leaf value of '0' on the stem

Excel's Chart Tools does NOT have a chart type for constructing a _____.

In Excel, the line of best fit for the points in a scatter diagram is called a _____.

We ask 30 people the following question: "How many people do you live with?" Below are the results in a dot plot. What percentage of people surveyed live with 3 or less people?

The sum of frequencies for all classes will always equal _____.

A graphical device for depicting categorical data that have been summarized in a frequency distribution, relative frequency distribution, or percent frequency distribution is a(n) _____.

A graphical device for presenting categorical data summaries based on subdivision of a circle into sectors that correspond to the relative frequency for each class is a _____.

The minimum number of variables represented in a histogram is _____.

A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3; West = 4. The designated geographical regions represent _____.

A common graphical presentation of quantitative data is a _____.

In constructing a frequency distribution, as the number of classes is decreased, the class width _____.

In a cumulative frequency distribution, the last class will always have a cumulative frequency equal to _____.

Before drawing any conclusions about the relationship between two variables shown in a crosstabulation, you should _____.

Do males prefer a particular type of smartphone more than females? A survey was conducted to help answer this question. The results are displayed below. What type of phone do males prefer?

In a stem-and-leaf display, _____.

The grades of 10 students on their first management test are shown below. 94 61 96 66 92 68 75 85 84 78 a. Construct a frequency distribution. Let the first class be 60−69. b. Construct a cumulative frequency distribution. c. Construct a relative frequency distribution.

A tabular method that can be used to summarize the data on two variables simultaneously is called _____.

A __________ can be used to graphically present quantitative data.

You are given the following data on the annual salaries for 8 employees. Construct a stem-and-leaf display. Specify the leaf unit for the display. \ 26,500 \ 27,850 \ 25,000 \ 27,460 \ 26,890 \ 25,400 \ 26,150 \ 30,000

The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to _____.

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence, and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Exam 2: Descriptive Statistics: Tabular and Graphical Displays

Excel's Chart Tools does NOT have a chart type for constructing a _____.

In Excel, the line of best fit for the points in a scatter diagram is called a _____.

We ask 30 people the following question: "How many people do you live with?" Below are the results in a dot plot. What percentage of people surveyed live with 3 or less people?

The sum of frequencies for all classes will always equal _____.

A graphical device for depicting categorical data that have been summarized in a frequency distribution, relative frequency distribution, or percent frequency distribution is a(n) _____.

A graphical device for presenting categorical data summaries based on subdivision of a circle into sectors that correspond to the relative frequency for each class is a _____.

The minimum number of variables represented in a histogram is _____.

A researcher is gathering data from four geographical areas designated: South = 1; North = 2; East = 3; West = 4. The designated geographical regions represent _____.

A common graphical presentation of quantitative data is a _____.

In constructing a frequency distribution, as the number of classes is decreased, the class width _____.

In a cumulative frequency distribution, the last class will always have a cumulative frequency equal to _____.

Before drawing any conclusions about the relationship between two variables shown in a crosstabulation, you should _____.

Do males prefer a particular type of smartphone more than females? A survey was conducted to help answer this question. The results are displayed below. What type of phone do males prefer?

In a stem-and-leaf display, _____.

The grades of 10 students on their first management test are shown below. 94 61 96 66 92 68 75 85 84 78 ​ a. Construct a frequency distribution. Let the first class be 60−69. b. Construct a cumulative frequency distribution. c. Construct a relative frequency distribution.

A tabular method that can be used to summarize the data on two variables simultaneously is called _____.

A __________ can be used to graphically present quantitative data.

You are given the following data on the annual salaries for 8 employees. Construct a stem-and-leaf display. Specify the leaf unit for the display. \ 26,500 \ 27,850 \ 25,000 \ 27,460 \ 26,890 \ 25,400 \ 26,150 \ 30,000

The proper way to construct a stem-and-leaf display for the data set {62, 67, 68, 73, 73, 79, 91, 94, 95, 97} is to _____.

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence, and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

The grades of 10 students on their first management test are shown below. 94 61 96 66 92 68 75 85 84 78 a. Construct a frequency distribution. Let the first class be 60−69. b. Construct a cumulative frequency distribution. c. Construct a relative frequency distribution.