DSCI 5360 final exam review
In the attached figure, if we compare only France (FRA) to Brazil (BRA), the lie factor would be approximately __________. HINT: There is no need to precisely measure the height of the relevant chart elements. You can roughly estimate the difference to calculate an approximate graphic effect.
1
Two identical adjacent rooms each have a light bulb operating at a brightness of 300 lumens. The bulb in one of the rooms is now replaced by a bulb with a higher brightness. What is the minimum brightness (in lumens) needed such that a user will notice the increased brightness as compared to the adjacent room (which is still at 300 lumens).
305
In the figure below, an INNER JOIN with no additional filtering would result in how many records?
4
Which of the following visualizations would be most useful for establishing correlation as described by your book?
A line chart of fuel use over time
Visualization is appropriate when
All of the above
Which of the following is a resource limitation that should be considered when designing a visualization?
All of the above
Which of the following is a problem associated with the use of distortion?
All of the above (Junk associated with visual communication of distortion Unsuitable for spatial judgements Target acquisition problems)
Table calculations __
All of the above 9are defined based on a scope and direction can be selected from a list of regularly used options allow additional aggregation of data in Tableau)
You know your company maintains a dashboard that displays the performance of sales representatives within the company. The dashboard is updated daily and the order of the sales representatives shifts quite a bit. Someone asks you who the top performer is today. Which type of search task would this be?
Browse
True or false, representing data with three keys as a cube is a widely accepted best practice.
F
True or false, if the summary statistics for a given dataset match those of another dataset, the items described in both datasets are essentially the same.
F
True or false, it is not possible to add a regression-based trend line in Tableau.
F
True or false, it is not possible to add a regression-based trendline in Tableau
F
True or false, it would be appropriate to encode magnitude using the shape channel.
F
True or false, superimposed static layers would be appropriate for a line graph with 50 lines
F
True or false, when using Tableau, custom calculated fields must be created in the data source prior to importing the data into Tableau for visualization.
F
True or false, you should use highly saturated colors for backgrounds.
F
is a major disadvantage to the use of multiple views.
F
A dataset consisting of customers and their relationships to one another would likely be what dataset type?
Network
Which Gestalt principle is being leveraged here?
Proximity
A ______ encodes a hint at the effect of a given selection.
Scented widget
Which scheme presented below is most appropriate for showing population density across the region?
Scheme 2
What concept is described by the following observation? If we double the length of a line, our brains perceive that change as an actual doubling. However, if we double the area of a circle, we only perceive the new circle as approximately 1.7 times the size of the original, rather than 2 times as expected.
Steven's Law
True or false, Google Earth is a good candidate for demonstrating geometric zooming.
T
True or false, Tableau is capable of connecting to a Microsoft Access database.
T
True or false, a set can be defined by selecting objects from a visualization.
T
True or false, adjacency matrices are less useful for understanding network topology than node-link diagrams.
T
True or false, attributes can be aggregated.
T
True or false, in Tableau data for a visualization may be obtained from multiple data sources.
T
True or false, map data can be filtered to a specific region.
T
True or false, superimposed static layers would be appropriate for a line graph with 50 lines.
T
True or false, visual communication of distortion requires overhead.
T
The search for hue boundary in which panel is preattentive?
The image with all blue on the left and all red on the right
A client comes to you and says, "I want to analyze monthly defect count data to see how our production machinery is performing." Another client says, "I need some help visualizing our weekly sales." Both of these tasks could be abstracted to which of the following activity?
Visualizing time-series data
A(n) _____ strategy is a kind of dynamic filtering in which some items are omitted and others are summarized. a. elide b. superimposition c. hyperbolic geometry d. dynamic distortion
a
An idiom appropriate for visualizing data with 1 key and 1 value is a _____. a. bar chart b. cannot be determined based on this information c. heatmap d. scatterplot
a
Another name for a choropleth map is a _____. a. filled sequential map b. filtered circle map c. dual axis map d. simple table
a
In Tableau, a _____ is a logical progression of visualizations that allow for the communication of a message, while a _____ is a set of visualizations presented on the same screen to facilitate decision making. a. story, dashboard b. dashboard, story c. chart, viz d. viz, chart
a
In Tableau, the _____ shelf allows the designer to create simple animations. a. pages b. filters c. rows d. columns
a
In the image below, panel b exhibits a __________ colormap, which __________. a. rainbow, is perceptually unordered and perceptually nonlinear b. categorical, employs 5 distinct levels c. bivariate, represents two distinct factors. d. virdis, exhibits monotonically increasing luminance
a
Table calculations _____. a. allow additional aggregation of data in Tableau b. can be selected from a list of regularly used options c. are defined based on a scope and direction d. all of the above
a
The _____ function in Tableau allows a designer to break up a given column into multiple fields. a. split b. segment c. break d. distinct
a
The _____ idiom is a single focus, radial magnification distortion. a. fisheye lens b. hyperbolic geometry c. nonlinear magnification field d. stretch and squish
a
What concept is described by the following observation? If we double the length of a line, our brains perceive that change as an actual doubling. However, if we double the area of a circle, we only perceive the new circle as approximately 1.7 times the size of the original, rather than 2 times as expected. a. Steven's Law b. Tufte's Law c. Russell's Law d. Few's Law
a
You have been asked to produce a visualization of the relationships among the employees of a small company. What idiom would likely be best to represent this type of data? a. node-link diagram b. adjacency matrix c. treemap d. scatterplot
a
You have been tasked with examining product warranty claims, the number of people writing/calling/emailing complaints and requesting replacements. You have noticed that in general, the number of claims are significantly higher for manufacturing facility A versus manufacturing facility B. This leads you to believe that the products being created by facility A are better than those from facility B. Then you notice that for one product, left-handed monkey wrenches, the number of defects is much higher at facility A. This last observations would be best characterized as a __________. a. outlier b. trend c. feature d. attribute
a
You know your company maintains a dashboard that displays the performance of sales representatives within the company. The dashboard is updated daily and the order of the sales representatives shifts quite a bit. Someone asks you who the top performer is today. Which type of search task would this be? a. Browse b. Lookup c. Explore d. Locate
a
_____ is a major disadvantage to the use of multiple views. a. view size is reduced b. too many design choices c. eyes beat memory d. more difficult comparisons
a
In the language of data visualization, an idiom is
a distinct approach to creating and manipulating visual representations
The figure below can be best characterized as (2 graphs)
a multiform visualization
Determining the correlation between dataset columns is a common prelude to
attribute aggregation
Determining the correlation between dataset columns is a common prelude to _
attribute aggregation
A __________ is a basic graphical element in an image, while a __________ is a way to control the appearance of those elements. a. channel, mark b. mark, channel c. idiom, channel d. mark, idiom
b
A graph is a collection of _____ and _____. a. vertices, nodes b. nodes, edges c. edges, links d. none of the above
b
A graph representing hierarchical relationships is often referred to as a(n) _____. a. network b. treemap c. tree d. leveled network
b
Focus + Context techniques, while preserving the surrounding environment (the __________), enable us to interactively explore an area of interest (the __________) in greater detail. a. context, idiom b. context, focus c. focus, context d. idiom, focus
b
The magical number seven, plus or minus two refers to __________ a. the optimal number of features in a visualization b. the number of items that can be held in the average human's working memory c. The ratio of rods to cones in the human eye d. The minimum number of idioms that should be considered for a given visualization
b
The variable ITEM_COUNT in a business dataset would likely be a _____ variable. a. ordinal b. quantitative c. cyclic d. categorical
b
Which of the following visualizations would be most useful for establishing correlation as described by your book? a. A line chart of fuel use over time b. A tree map of fuel efficiency by manufacturer c. A scatter plot of engine size to fuel economy d. A bar chart of fuel use by model
b
An idiom appropriate for visualizing data with 1 key and 1 value is a
bar chart
Consider the figure below. What alternative idiom might be better for displaying this information? (round pie chart)
bar chart
A _____ is useful when attempting to represent progress towards a goal.
bullet chart
A _____ is a group of items within a visualization. a. target b. filter c. set d. parameter
c
A ______ may be dynamically created based on a _____. a. set, filter b. filter, set c. set, parameter d. parameter, set
c
A client comes to you and says, "I want to analyze monthly defect count data to see how our production machinery is performing." Another client says, "I need some help visualizing our weekly sales." Both of these tasks could be abstracted to which of the following activity? a. Comparing values between two groups b. Understanding spatial orientation c. Visualizing time-series data d. Make predictions about the future
c
A dataset consisting of customers and their relationships to one another would likely be what dataset type? a. Geometry b. Field c. Network d. Table
c
A map in which a color gradient indicates the magnitude of some quantitative variable is called a _____ map. a. simple b. chromatic c. cloropleth d. gradient-fill
c
Line, dot, and bar charts are all examples of _____. a. radial layouts b. none of the above c. list alignment d. 3 key, 2 value idioms
c
The figure below describes sales among the sales team of a small startup. In this figure the encoding is __________ and the data shared is __________. a. different, all b. the same, none c. the same, a subset d. different, a subset
c
__________ are rapid eye movements to can a target during fixation. a. vergence movements b. parafovea movements c. saccadic movements d. fovea movements
c
in language of data visualization, an idiom is: a. the amount of information density in a single image b. a tool that serves well for one task but is poorly suited for another c. a distinct approach to creating and manipulating visual representations d. a verbal analysis of big data
c
This image can best be described as demonstrating the principle of (frozen)
change blindness
The following figure best fits the discussion of ___ (green map)
chart junk
A map in which a color gradient indicates the magnitude of some quantitative variable is called a _____ map. simple
cloropleth
In the figure below, the primary channels being used to convey pertinent information in the chart are ______ and
color, position on common scale
In the figure below, Tax Rate and Market Capitalization are represented by the ________ and _________ channels respectively.
color, size
When evaluating information presented in given visualization, which of the following would likely be associated with the largest error by the observer? a. Position b. Volume c. Color hue d. Length
colorhue
Focus + Context techniques, while preserving the surrounding environment (the __________), enable us to interactively explore an area of interest (the __________) in greater detail.
context, focus
A _____ is useful when attempting to represent progress towards a goal a. table calculation b. streamgraph c. waterfall chart d. bullet chart
d
A _____ visualization presents many views by breaking the data up based on the value of a given dimension. a. shared navigation visualization b. multiform visualization c. dimensional representation d. small multiple visualization
d
A(n) _____ idiom simulates physical forces to layout the elements of a graph. a. treemap b. adjacency matrix c. grouseflocks d. force-directed placement
d
In a tabular dataset, a _____ represents an item and a _____ represents an attribute. a. cell, row b. column, row c. column, cell d. row, column
d
It is possible to represent two different measures using a(n) _____ a. filtered circle map b. simple table c. filled sequential map d. dual axis map
d
The notion of _________ illustrates that our perception of colors is influenced by other nearby colors. a. bivariate colormaps b. simultaneous luminance c. bivariate contrast d. simultaneous contrast
d
The term _____ refers to the fact that there are 3 types of cones with sensitivities for different wavelengths of light. a. Tricolor-channel fovea b. chromaticity c. opponent color channels d. trichromacy
d
Which of the following is a problem associated with the use of distortion? a. Target acquisition problems b. Junk associated with visual communication of distortion c. Unsuitable for spatial judgements d. All of the above
d
Which of the following is a resource limitation that should be considered when designing a visualization? a. Human perceptual and cognitive capacity b. Computational capacity c. Display capacity d. All of the above
d
visualization is appropriate when: a. we seek to analyze large datasets b. we want to augment human capabilities c. problems are ill defined d. All of the above
d
Line, dot, and bar charts are all examples of
list alignment
The figure below describes sales among the sales team of a small startup. In this figure the encoding is __________ and the data shared is __________.
different, a subset
It is possible to represent two different measures using a(n)
dual axis map
A(n) _____ strategy is a kind of dynamic filtering in which some items are omitted and others are summarized.
elide
Another name for a choropleth map is a _
filled sequential map
The _____ idiom is a single focus, radial magnification distortion.
fisheye lens
A(n) _____ idiom simulates physical forces to layout the elements of a graph.
force-directed placement
A __________ is a basic graphical element in an image, while a __________ is a way to control the appearance of those elements.
mark, channel
The following figure best fits the discussion of ___ (round chart)
maximizing data density
You have been asked to produce a visualization of the relationships among the employees of a small company. What idiom would likely be best to represent this type of data?
node-link diagram
A graph is a collection of _____ and _____..
nodes, edges
You have been tasked with examining product warranty claims, the number of people writing/calling/emailing complaints and requesting replacements. You have noticed that in general, the number of claims are significantly higher for manufacturing facility A versus manufacturing facility B. This leads you to believe that the products being created by facility A are worse than those from facility B. Then you notice that for one product, left-handed monkey wrenches, the number of defects is much higher at facility B. This last observations would be best characterized as a __________.
outlier
In Tableau, the _____ shelf allows the designer to create simple animations.
pages
The variable ITEM_COUNT in a business dataset would likely be a _____ variable.
quantitative
In the image below, panel b exhibits a __________ colormap, which __________. (hand bone xray)
rainbow, is perceptually unordered and perceptually nonlinear
In a tabular dataset, a _____ represents an item and a _____ represents an attribute.
row, column
In the following figure, A=11%, B=42%, C=5%, and D=42%. This chart best fits the discussion of
scale distortion
In the following figure, A=11%, B=42%, C=5%, and D=42%. This chart best fits the discussion of
scale distortion
A ______ encodes a hint at the effect of a given selection.
scented widget
A _____ is a group of items within a visualization.
set
A ______ may be dynamically created based on a
set, parameter
The notion of _________ illustrates that our perception of colors is influenced by other nearby colors.
simultaneous contrast
A _____ visualization presents many views by breaking the data up based on the value of a given dimension
small multiple visualization
A _____ visualization presents many views by breaking the data up based on the value of a given dimension.
small multiple visualization
The following figure best fits the discussion of (history nfl)
small multiples
In Tableau, a _____ is a logical progression of visualizations that allow for the communication of a message, while a _____ is a set of visualizations presented on the same screen to facilitate decision making.
story, dashboard
In the following figure, the scope is _____ and the direction is _____.
table, across then down
The magical number seven, plus or minus two refers to
the number of items that can be held in the average human's working memory
A graph representing hierarchical relationships is often referred to as a(n) ___
tree
The term _____ refers to the fact that there are 3 types of cones with sensitivities for different wavelengths of light.
trichromacy
is a major disadvantage to the use of multiple views
view size is reduced
is a major disadvantage to the use of multiple views.
view size is reduced