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CompTIA Data+ Study Notes: Data Visualization

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CompTIA Data+ Study Notes: Data Visualization

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Questions and Answers

What type of chart is used to display hierarchical subcategories?

Line Chart

Column Chart

Pie Chart

Tree Map (correct)

What is the primary purpose of a Scatter Plot?

To display hierarchical data

To show time-based data

To compare categorical data

To show the relationship between two variables (correct)

What is the key difference between a Scatter Plot and a Bubble Chart?

The shape of the plot

The size of the bubbles represents an additional variable (correct)

The number of variables plotted

The type of data being displayed

What is a common use case for Tree Maps?

To visualize hierarchical data Signup and view all the answers

What is the primary advantage of using a Scatter Plot or Bubble Chart?

They can show the relationship between variables Signup and view all the answers

In what type of chart are the sizes of the segments related to the value of the data?

Tree Map Signup and view all the answers

What type of visualization is used to represent hierarchical data?

Tree Map Signup and view all the answers

What is used to measure the linear relationship between data points?

Pearson’s Correlation Coefficient Signup and view all the answers

Which type of visualization is used to represent the percentages of information?

Pie Chart Signup and view all the answers

What is the name of the statistical method that estimates relationships between a dependent variable and one or more independent variables?

Regression Analysis Signup and view all the answers

What is the term for when one variable directly changes the other variable?

Causation Signup and view all the answers

What is the name of the value that is the squared R value converted into a percentile?

R2 Value Signup and view all the answers

What is the primary purpose of a dashboard?

To track, analyze, and display data to gain deeper insights into the organization's overall wellbeing Signup and view all the answers

What is the order in which data was input into the database called?

Natural order Signup and view all the answers

What type of sorting operation involves sorting within a sort?

Multi-sorting Signup and view all the answers

What is the purpose of a data table?

To show different variations of how data is represented Signup and view all the answers

What is an example of a filtering operation that is also a sorting operation?

Top-end and bottom-end sorts Signup and view all the answers