Question 1

An ogive graph is also called a cumulative frequency graph.

Accepted Answer

A) True 
 B)False

Question 2

Find the class with the least number of data values.

Accepted Answer

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

Question 3

Which type of graph represents the data by using vertical bars of various heights to indicate frequencies?

Accepted Answer

A) ogive 
B) frequency polygon 
C) histogram 
D) cumulative frequency 
A) ogive 
B) frequency polygon 
C) histogram 
D) cumulative frequency

Question 4

When data are collected in original form, they are called __________.
________________________________________

Accepted Answer

The answer of When data are collected in original form,...

Question 5

One disadvantage of pie charts is that it is difficult to visually compare 2 frequency distributions.Plotting
relative frequency distributions (polygons or ogives) on the same axes is usually more informative.

Accepted Answer

A) True 
 B)False

Question 6

The total frequency of the data whose ogive shown below   is approximately

Accepted Answer

A) 12 
B) 18 
C) 34 
D) 90 
A) 12 
B) 18 
C) 34 
D) 90

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

The larger the sample size, the larger the relative frequencies.

Accepted Answer

A) True 
 B)False

Question 9

Pareto charts have units that are used for the frequency that are

Accepted Answer

A) decreasing in size. 
B) increasing in size. 
C) equal in size. 
D) proportional in size. 
A) decreasing in size. 
B) increasing in size. 
C) equal in size. 
D) proportional in size.

Question 10

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 11

An automobile dealer wants to construct a pie graph to represent types of cars sold in July.He sold 72 cars; 16 of which were convertibles.The convertibles will represent how many degrees in the circle?

Accepted Answer

A) 60° 
B) 80° 
C) 100° 
D) 50° 
A) 60° 
B) 80° 
C) 100° 
D) 50°

Question 12

For the class 10-18, the upper class limit is

Accepted Answer

A) 9 
B) 10 
C) 18 
D) 19 
A) 9 
B) 10 
C) 18 
D) 19

Question 13

In order to graphically compare two frequency distributions, one should use relative frequency
distributions in order to take differing sample sizes into account.

Accepted Answer

A) True 
 B)False

Question 14

A Pareto chart does not have which of the following properties?

Accepted Answer

A) It is a bar chart 
B) The frequencies are arranged from highest to lowest 
C) The frequencies are arranged from lowest to highest 
D) It is used to represent categorical data 
A) It is a bar chart 
B) The frequencies are arranged from highest to lowest 
C) The frequencies are arranged from lowest to highest 
D) It is used to represent categorical data

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

A __________ would most appropriately represent the yearly-number of students that were enrolled in
Statistics over the past ten years.
________________________________________

Accepted Answer

The answer of A __________ would most appropriately represent the...

Question 17

Construct a Pareto chart for the following distribution:

Accepted Answer

Sorted in the order

Question 18

Choose the correct statement describing the following stem and leaf plot for grades on a linear algebra exam.

Accepted Answer

A) The range of the grades is between 23 and 98. 
B) Of the 29 students who took the exam, nine scored between 80 and 89. 
C) There are no gaps in the data. 
D) The data is bimodal. 
A) The range of the grades is between 23 and 98. 
B) Of the 29 students who took the exam, nine scored between 80 and 89. 
C) There are no gaps in the data. 
D) The data is bimodal.

Question 19

In the figure below, what class boundary has 30% of the data?

Accepted Answer

A) 0.5-20.5 
B) 20.5-40.5 
C) 40.5-60.5 
D) 60.5-80.5 
A) 0.5-20.5 
B) 20.5-40.5 
C) 40.5-60.5 
D) 60.5-80.5

Question 20

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?

Accepted Answer

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

An ogive graph is also called a cumulative frequency graph.

Find the class with the least number of data values.

Which type of graph represents the data by using vertical bars of various heights to indicate frequencies?

When data are collected in original form, they are called . ______________________________

One disadvantage of pie charts is that it is difficult to visually compare 2 frequency distributions.Plotting relative frequency distributions (polygons or ogives) on the same axes is usually more informative.

The total frequency of the data whose ogive shown below is approximately

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.

The larger the sample size, the larger the relative frequencies.

Pareto charts have units that are used for the frequency that are

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.

An automobile dealer wants to construct a pie graph to represent types of cars sold in July.He sold 72 cars; 16 of which were convertibles.The convertibles will represent how many degrees in the circle?

For the class 10-18, the upper class limit is

In order to graphically compare two frequency distributions, one should use relative frequency distributions in order to take differing sample sizes into account.

A Pareto chart does not have which of the following properties?

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

A would most appropriately represent the yearly-number of students that were enrolled in Statistics over the past ten years. ______________________________

Construct a Pareto chart for the following distribution:

Choose the correct statement describing the following stem and leaf plot for grades on a linear algebra exam.

In the figure below, what class boundary has 30% of the data?

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?

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

An ogive graph is also called a cumulative frequency graph.

Find the class with the least number of data values.

Which type of graph represents the data by using vertical bars of various heights to indicate frequencies?

When data are collected in original form, they are called __________. ________________________________________

One disadvantage of pie charts is that it is difficult to visually compare 2 frequency distributions.Plotting relative frequency distributions (polygons or ogives) on the same axes is usually more informative.

The total frequency of the data whose ogive shown below is approximately

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.

The larger the sample size, the larger the relative frequencies.

Pareto charts have units that are used for the frequency that are

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.

An automobile dealer wants to construct a pie graph to represent types of cars sold in July.He sold 72 cars; 16 of which were convertibles.The convertibles will represent how many degrees in the circle?

For the class 10-18, the upper class limit is

In order to graphically compare two frequency distributions, one should use relative frequency distributions in order to take differing sample sizes into account.

A Pareto chart does not have which of the following properties?

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

A __________ would most appropriately represent the yearly-number of students that were enrolled in Statistics over the past ten years. ________________________________________

Construct a Pareto chart for the following distribution:

Choose the correct statement describing the following stem and leaf plot for grades on a linear algebra exam.

In the figure below, what class boundary has 30% of the data?

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?

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

When data are collected in original form, they are called . ______________________________

A would most appropriately represent the yearly-number of students that were enrolled in Statistics over the past ten years. ______________________________