A data analyst is creating a dashboard for a sales team. The dashboard currently has 10 different charts, each showing a different metric. The sales team is overwhelmed and cannot identify the key insights. The analyst wants to reduce cognitive load while keeping all the information available. Which approach is most effective?

Combine all 10 metrics into a single chart with multiple axes

Keep all 10 charts on the same page but make them smaller

Add a legend and title to each chart to improve clarity

Create a summary view with the top 3 key metrics and provide drill-down links to the detailed charts

Which of the following is a common visualization pitfall that can mislead the audience?

Using a consistent color scheme

Using a truncated y-axis without indication

A dashboard designer wants to draw the user's attention to a critical alert icon in a dense operational dashboard. The alert icon is small and located in a corner. Which pre-attentive attribute should be used to make the alert stand out most effectively?

Increase the size of the icon slightly, but keep the same color as other icons

Use a unique hue (e.g., bright red) that is not used anywhere else on the dashboard

Place the icon in a separate panel with a different background color

Add a border around the icon using a color already used in the dashboard

Dell Data Science Optimize

Domain 6Objective 1

Perception and Visualization DATA-SCIENCE-OPTIMIZE Practice Questions (Page 2)

Part of the Data Visualization domain, which accounts for 12% of the DATA-SCIENCE-OPTIMIZE exam.

28questions here

6free pages

6concepts

12%of the exam

Questions 6–10

6expert · hard
A data analyst is creating a dashboard for a sales team. The dashboard currently has 10 different charts, each showing a different metric. The sales team is overwhelmed and cannot identify the key insights. The analyst wants to reduce cognitive load while keeping all the information available. Which approach is most effective?
Select an answer first
7foundation · easy
Which of the following is a common visualization pitfall that can mislead the audience?
Select an answer first
8foundation · easy
Which chart type is best for displaying the trend of monthly revenue over a 12-month period?
Select an answer first
9application · medium
A dashboard designer wants to draw the user's attention to a critical alert icon in a dense operational dashboard. The alert icon is small and located in a corner. Which pre-attentive attribute should be used to make the alert stand out most effectively?
Select an answer first
10foundation · easy
Which color palette is most appropriate for a visualization intended for viewers with red-green color blindness?
Select an answer first

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Perception and Visualization DATA-SCIENCE-OPTIMIZE Practice Questions (Page 2)

Questions 6–10

Which of the following is a common visualization pitfall that can mislead the audience?

Which chart type is best for displaying the trend of monthly revenue over a 12-month period?

A dashboard designer wants to draw the user's attention to a critical alert icon in a dense operational dashboard. The alert icon is small and located in a corner. Which pre-attentive attribute should be used to make the alert stand out most effectively?

Which color palette is most appropriate for a visualization intended for viewers with red-green color blindness?

Keep studying — Data Visualization