Question 1

When comparing the data distribution of one variable by using another variable with two categories, it is best not to use a bar chart.

Accepted Answer

A) True 
 B)False  False

Question 2

Pie charts are at their most useful when

Accepted Answer

A)  there are multiple variables to be compared 
B)  there are few categories 
C)  there are proportions to be compared 
D)  the categories to be compared are in different colors 
A)  there are multiple variables to be compared 
B)  there are few categories 
C)  there are proportions to be compared 
D)  the categories to be compared are in different colors B

Question 3

Graphical statistics designed for discrete data include

Accepted Answer

A)  line graphs 
B)  histograms 
C)  scatterplots 
D)  bar charts 
A)  line graphs 
B)  histograms 
C)  scatterplots 
D)  bar charts D

Question 4

Pie charts can handle more categories than bar charts.

Accepted Answer

A) True 
 B)False

Question 5

Discrete data

Accepted Answer

A)  are rarely used 
B)  represent sensitive information and should be kept confidential 
C)  describe categories 
D)  a and b above 
A)  are rarely used 
B)  represent sensitive information and should be kept confidential 
C)  describe categories 
D)  a and b above

Question 6

A type of graphical statistic that is designed for interval level data and has an appearance that almost looks like a bar chart is:

Accepted Answer

A)  bargram 
B)  chartgram 
C)  scatterplot 
D)  histogram 
A)  bargram 
B)  chartgram 
C)  scatterplot 
D)  histogram

Question 7

Which of the following make it difficult to interpret pie charts?

Accepted Answer

A)  using two or more pie charts to compare data 
B)  using black and white markings instead of color 
C)  using labels in the pie segments 
D)  a and b above 
A)  using two or more pie charts to compare data 
B)  using black and white markings instead of color 
C)  using labels in the pie segments 
D)  a and b above

Question 8

Extremes are also referred to as

Accepted Answer

A)  outliers 
B)  high scores 
C)  peak scores 
D)  all of the above 
A)  outliers 
B)  high scores 
C)  peak scores 
D)  all of the above

Question 9

One of the best graphical statistics for locating extremes in the data is a

Accepted Answer

A)  pie chart 
B)  scatterplot 
C)  histogram 
D)  line graph 
A)  pie chart 
B)  scatterplot 
C)  histogram 
D)  line graph

Question 10

Most statistical graphics

Accepted Answer

A)  demonstrate the shape of a variable distribution 
B)  present relationships in pictures 
C)  are easier to use than nongraphical statistics 
D)  all of the above 
A)  demonstrate the shape of a variable distribution 
B)  present relationships in pictures 
C)  are easier to use than nongraphical statistics 
D)  all of the above

Question 11

Line graphs are potentially the most useful of all graphs.

Accepted Answer

A) True 
 B)False

Question 12

Graphical statistics are part of what is generally called exploratory data anslysis.

Accepted Answer

A) True 
 B)False

Question 13

Line graphs are primarily used when

Accepted Answer

A)  the data are amenable to being presented in straight lines 
B)  comparisons are not needed because of the difficulty of interpreting multiple lines 
C)  there are two variables to show the relationship between them 
D)  a and c above 
A)  the data are amenable to being presented in straight lines 
B)  comparisons are not needed because of the difficulty of interpreting multiple lines 
C)  there are two variables to show the relationship between them 
D)  a and c above

Question 14

A line graph is best used with which of the types of data below?

Accepted Answer

A)  curvilinear 
B)  linear 
C)  discrete 
D)  continuous 
A)  curvilinear 
B)  linear 
C)  discrete 
D)  continuous

Question 15

Scatterplots should never be used unless you can draw a straight line through the data.

Accepted Answer

A) True 
 B)False

Question 16

Continuous data

Accepted Answer

A)  are linear 
B)  have interval and ratio level measurement 
C)  work best in pie charts 
D)  are restricted to numbers with decimals 
A)  are linear 
B)  have interval and ratio level measurement 
C)  work best in pie charts 
D)  are restricted to numbers with decimals

Question 17

It is better to use a clustered bar chart than multiple bar charts.

Accepted Answer

A) True 
 B)False

Question 18

Bar charts can show overall trends.

Accepted Answer

A) True 
 B)False

Question 19

A key focus in graphical statistics is not to do something that would mislead people. This usually means eliminating distractions or distortions present in:

Accepted Answer

A)  the relative size of the graph elements 
B)  the scale 
C)  over labeling 
D)  all of the above 
A)  the relative size of the graph elements 
B)  the scale 
C)  over labeling 
D)  all of the above

Question 20

The two variable line graph is probably one of the least commonly used graphical techniques in statistics.

Accepted Answer

A) True 
 B)False

When comparing the data distribution of one variable by using another variable with two categories, it is best not to use a bar chart.

Pie charts are at their most useful when

Graphical statistics designed for discrete data include

Pie charts can handle more categories than bar charts.

Discrete data

A type of graphical statistic that is designed for interval level data and has an appearance that almost looks like a bar chart is:

Which of the following make it difficult to interpret pie charts?

Extremes are also referred to as

One of the best graphical statistics for locating extremes in the data is a

Most statistical graphics

Line graphs are potentially the most useful of all graphs.

Graphical statistics are part of what is generally called exploratory data anslysis.

Line graphs are primarily used when

A line graph is best used with which of the types of data below?

Scatterplots should never be used unless you can draw a straight line through the data.

Continuous data

It is better to use a clustered bar chart than multiple bar charts.

Bar charts can show overall trends.

A key focus in graphical statistics is not to do something that would mislead people. This usually means eliminating distractions or distortions present in:

The two variable line graph is probably one of the least commonly used graphical techniques in statistics.

Introduction to Statistics

Levels of Measurement

Measures of Central Tendency

Measures of Dispersion

Curves and Distributions

Frequency Distributions

Elementary Relationships: Crosstabulation Tables

Hypotheses and Sampling Distributions

Statistical Significance

Testing for Significance: the Chi-Square Test

Testing for Significance in Two Groups: The T-Test

Testing for Significance in Multiple Groups: The Analysis of Variance Statistic

The Concept of Association

Testing for Association: Phi

Testing for Association: Pearsons R and Regression

Doing Real Research: Elementary Multivariate Relationships

Statistics and Data Analysis

Filters

Exam 3: Graphical Statistics

When comparing the data distribution of one variable by using another variable with two categories, it is best not to use a bar chart.

Pie charts are at their most useful when

Graphical statistics designed for discrete data include

Pie charts can handle more categories than bar charts.

Discrete data

A type of graphical statistic that is designed for interval level data and has an appearance that almost looks like a bar chart is:

Which of the following make it difficult to interpret pie charts?

Extremes are also referred to as

One of the best graphical statistics for locating extremes in the data is a

Most statistical graphics

Line graphs are potentially the most useful of all graphs.

Graphical statistics are part of what is generally called exploratory data anslysis.

Line graphs are primarily used when

A line graph is best used with which of the types of data below?

Scatterplots should never be used unless you can draw a straight line through the data.

Continuous data

It is better to use a clustered bar chart than multiple bar charts.

Bar charts can show overall trends.

A key focus in graphical statistics is not to do something that would mislead people. This usually means eliminating distractions or distortions present in:

The two variable line graph is probably one of the least commonly used graphical techniques in statistics.

Introduction to Statistics

Levels of Measurement

Measures of Central Tendency

Measures of Dispersion

Curves and Distributions

Frequency Distributions

Elementary Relationships: Crosstabulation Tables

Hypotheses and Sampling Distributions

Statistical Significance

Testing for Significance: the Chi-Square Test

Testing for Significance in Two Groups: The T-Test

Testing for Significance in Multiple Groups: The Analysis of Variance Statistic

The Concept of Association

Testing for Association: Phi

Testing for Association: Pearsons R and Regression

Doing Real Research: Elementary Multivariate Relationships

Statistics and Data Analysis

Filters