1. Deleting the grid lines in a chart
Increases the data-ink ratio
Decreases the lie-factor
Decreases the data-ink ratio
Increases the lie-factor
2. In for a chart to minimize graphical complexity, the data-ink ratio must be:
less than 1
close to zero
greater than 1
close to 1
3. When the lie-factor of a graphical chart is more than 1,
the graph suggests a possible true effect.
the size of the effect shown in the graph is bigger than the actual effect in the
data.
the graph understates the true effect.
the graph simplifies the true effect.
4. Which are useful principles for data visualization?
The use of a wide range of colors is critical to emphasize distinctions
It is important to include pointed arrows whenever possible to really draw attention to
the eyes
The graph suggests a possible true effect
Including as many grids as possible is vital for fully specifying the data to be
represented
5. Which of the following violates the principle of data visualization?
Avoid unnecessary chart junk
The chart should tell a story
The lie-factor should be closely equal to 1
The data-ink ratio should be higher than 1
6. Which of the following statements is a reason not to use a table for data
visualization?
Tables display more information in less space than a chart
Tables cannot easily show trends
The table has more precise numbers
Large amount of information can be included in a very small space
7. Which of the following statement(s) about charts is true?
Data ink can sometimes help tell a richer story
A useless chart is called "chart junk"
The more data ink, the better
We should make as many grids as possible in a chart
8. In order for a chart to have graphical integrity, the lie factor must be:
close to zero
less than 1
greater than 1
close to 1
9. Which of the following statement(s) about charts is false?
A chart should tell a story
A chart should minimize graphical complexity
A chart should have graphical integrity
None of the other answers are false
10.What best describes the nature of a rose diagram?
Uses various colors to represent cause of mortality
Plots data using a circular historical plot
Rarely used for azimuthal data
Represents various species of flowers
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