Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The following information shows the colours of cars preferred by customers. Draw
a pie graph and indicate how many degrees the black represents in a pie graph?
 $$\begin{array} { | l | l | } 
\hline \text { Colours } & \text { Number } \
\hline \text { Red } & 50 \
\hline \text { Black } & 60 \
\hline \text { White } & 30 \
\hline \text { Green } & 20 \
\hline \text { Blue } & 40 \
\hline
\end{array}$$

Accepted Answer

The answer of The following information shows the colours of...

Question 3

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 4

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 5

What would be the boundaries on the average age for high school graduates if they were reported to be 18 years old?

Accepted Answer

A)  17.5-18.5 years old 
B)  17.5-19.5 years old 
C)  17.6-18.6 years old 
D)  17.5-19 years old 
A)  17.5-18.5 years old 
B)  17.5-19.5 years old 
C)  17.6-18.6 years old 
D)  17.5-19 years old

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

A stem and leaf plot is a data plot that uses part of a data value as the stem and part of the data value as
the leaf to form groups or classes.

Accepted Answer

A) True 
 B)False

Question 8

A pie graph was created showing the number of children per family. If 234 families were in the survey
and the section depicting families with three children represented 120°, the number of families with three
children was 78.

Accepted Answer

A) True 
 B)False

Question 9

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 10

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 11

Exaggerating a one-dimensional increase by showing it in two dimensions is an example of a(n)

Accepted Answer

A)  pictograph. 
B)  pie graph. 
C)  ogive. 
D)  misleading graph. 
A)  pictograph. 
B)  pie graph. 
C)  ogive. 
D)  misleading graph.

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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 14

Using the class 23-35, what is the upper class boundary?

Accepted Answer

A)  35 
B)  29 
C)  35.5 
D)  23 
A)  35 
B)  29 
C)  35.5 
D)  23

Question 15

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

Accepted Answer

A)  12 
B)  9 
C)  25 
D)  17 
A)  12 
B)  9 
C)  25 
D)  17

Question 16

A time series graph is useful for detecting long term trends over a period of time.

Accepted Answer

A) True 
 B)False

Question 17

A grouped frequency distribution is used when the range of the data values is relatively small.

Accepted Answer

A) True 
 B)False

Question 18

When two sets of data are compared on the same graph using two lines, it is called a compound time
series graph.

Accepted Answer

A) True 
 B)False

Question 19

What is the midpoint of the class 4-15?

Accepted Answer

A)  4 
B)  9.5 
C)  4 and 15 
D)  9.5 and 11 
A)  4 
B)  9.5 
C)  4 and 15 
D)  9.5 and 11

Question 20

Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store. What type of distribution should he use?

Accepted Answer

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

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

The following information shows the colours of cars preferred by customers. Draw a pie graph and indicate how many degrees the black represents in a pie graph? Colours Number Red 50 Black 60 White 30 Green 20 Blue 40

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

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.

What would be the boundaries on the average age for high school graduates if they were reported to be 18 years old?

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

A stem and leaf plot is a data plot that uses part of a data value as the stem and part of the data value as the leaf to form groups or classes.

A pie graph was created showing the number of children per family. If 234 families were in the survey and the section depicting families with three children represented 120°, the number of families with three children was 78.

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

What are the boundaries of the class 4-18?

Exaggerating a one-dimensional increase by showing it in two dimensions is an example of a(n)

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

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

Using the class 23-35, what is the upper class boundary?

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

A time series graph is useful for detecting long term trends over a period of time.

A grouped frequency distribution is used when the range of the data values is relatively small.

When two sets of data are compared on the same graph using two lines, it is called a compound time series graph.

What is the midpoint of the class 4-15?

Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store. What type of distribution should he use?

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 Proportions, and Two Variances

Correlation and Regression

Chi-Square and Analysis of Variance Anova

Tables

Data Bank

Glossary

Filters

Exam 2: Frequency Distributions and Graphs

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

The following information shows the colours of cars preferred by customers. Draw a pie graph and indicate how many degrees the black represents in a pie graph? Colours Number Red 50 Black 60 White 30 Green 20 Blue 40

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

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.

What would be the boundaries on the average age for high school graduates if they were reported to be 18 years old?

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

A stem and leaf plot is a data plot that uses part of a data value as the stem and part of the data value as the leaf to form groups or classes.

A pie graph was created showing the number of children per family. If 234 families were in the survey and the section depicting families with three children represented 120°, the number of families with three children was 78.

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

What are the boundaries of the class 4-18?

Exaggerating a one-dimensional increase by showing it in two dimensions is an example of a(n)

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

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

Using the class 23-35, what is the upper class boundary?

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

A time series graph is useful for detecting long term trends over a period of time.

A grouped frequency distribution is used when the range of the data values is relatively small.

When two sets of data are compared on the same graph using two lines, it is called a compound time series graph.

What is the midpoint of the class 4-15?

Greg wants to construct a frequency distribution for the political affiliation of the employees at Owen's Hardware Store. What type of distribution should he use?

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 Proportions, and Two Variances

Correlation and Regression

Chi-Square and Analysis of Variance Anova

Tables

Data Bank

Glossary

Filters