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Practice More Questions From: Creating data visualizations with Tableau

A data analyst wants to save stakeholders time and effort when working with a Tableau dashboard. They also want to direct stakeholders to the most important data. What process can they use to achieve…

You are creating a dashboard in Tableau to share with stakeholders. Why might you decide to pre-filter the dashboard? Select all that apply.

If an analyst creates the same kind of document over and over or customizes the appearance of a final report, they can use _____ to save them time.

You want to apply the filter() function to the variables Cocoa.Percent and Rating. Add the code chunk that lets you filter the data frame for chocolate bars that contain at least 75% cocoa and have a…

A data analyst creates a scatterplot with a lot of data points. The analyst wants to make some points on the plot more transparent than others. What aesthetic should the analyst use?

Fill in the blank: Based on these insights, you create a clear and direct _____, which will guide your data story.

A data analyst is working with the penguins data. The variable species includes three penguin species: Adelie, Chinstrap, and Gentoo. The analyst wants to create a data frame that only includes the…

A data analyst is working with the penguins data. The analyst creates a scatterplot with the following code:ggplot(data = penguins) +geom_point(mapping = aes(x = flipper_length_mm, y = body_mass_g,…

A big part of audience engagement is knowing how to eliminate less important details. What practice do you use to scan quickly through the data in order to identify the most important insights?

Fill in the blank: A big part of engagement is knowing how to eliminate less important details. So, you use spotlighting to _____ the data in order to identify the most important insights.

A data analyst creates a plot with the following code chunk:ggplot(data = penguins) +geom_jitter(mapping = aes(x = flipper_length_mm, y = body_mass_g))What does the geom_jitter() function do to the…

You are presenting to your stakeholders an analysis of your company’s latest quarter earnings. Your stakeholders express concern that your projections for next quarter are lower than expected. What…

Fill in the blank: The _____ creates a scatterplot and then adds a small amount of random noise to each point in the plot to make the points easier to find.

What function creates a scatterplot and then adds a small amount of random noise to each point in the plot to make the points easier to find?

You create a short document about the benefits of using R for the project and share the document with your team. You write that the benefits include R’s ability to quickly process lots of data and…

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