What needs to be considered first before you start a data visualization presentation?
While at a party you notice a group of people in the crowd headed in the same direction. Your tendency to group them is due to - law of similarity or past
As per Edward Tufte, good visualizations strive towards -
Which law of Gestalt psychology explains individual's ability to perceive objects as shapes, letters, pictures, etc. as being whole while they are not? - law of past /
Which type of visual aspect could be considered ineffective or not very accurate at conveying quantitative or ordinal data? - colors / size
When using a Bar Chart, the data values are represented by? - length
What differentiates histogram from a bar chart? - gap between bars
Which chart displays data as a collection of points, each having one variable determining the position on the horizontal axis and other variable determining the position on the vertical axis? - scatter plot
A bar graph is used to represent which type of data? - discrete
What type of chart can be used to place some emphasis on any trends in the data visualization presentation? - Line
Which of the following is powerful visualization technique for illustrating hierarchical data and part-to-whole relationships? - tree
A Manufacturing company wants to view the performance of various plants based on Throughput, Wastage, Returns, Downtime and Manufacturing Cost per Unit. Which chart would be the best for this? - parallel
Which of the following cannot be a geo-dimension? - mobile
Which map is a two-dimensional representation of data in which values are represented by colors? - heat
Interactivity in Visualizations enables users to - find
Which one of these is not a data visualization tool? - Alterix
Representation of information in a graphic format to make the data easily understandable at a glance is known as? - info
Which Gestalt law explains individuals ability to mentally grouping items by color, texture, size or shape? - Law of prox
Which of these can be used to display data graphically - Bar
A histogram is a graphical representation of the distribution of data. It is an estimate of the _ of a continuous variable - probability distribution
The tendency to treat lines as if they continue is called - continuity
In which chart type quantitative data is displayed graphically and the area between axis and line are emphasized with colors, textures and hatchings? - Area
Which chart displays information as a series of data points called 'markers' connected by straight line segments - Line
What is the minimum requirement to form a bar chart - 1 measure 1 dimension
How is data visualization used - Audience / large numbers
In a Pie Chart, _ is used to represent data - sectors
A histogram is used for which type of data - continuous
Data Visualization makes complex data more - understandable
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