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Data Visualization Mastery

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Questions and Answers

What degrees does Cory hold?

Cory holds a bachelor degree in health education, master degree in special education, and doctorate of education in administration and leadership.

How many years of teaching experience does Cory have?

Cory has over ten years of teaching experience.

What will be explored in this lesson?

The best techniques and practices for data visualization.

What are some examples of data visualization techniques?

Bar graph, pie chart, scatter plot, histogram, and picture graph. Signup and view all the answers

What are data?

Pieces of information that have been collected or measured as part of a data set. Signup and view all the answers

What do data visualization techniques allow viewers to do?

They allow viewers to have different perspectives on the information and different ways of understanding it. Signup and view all the answers

What is the purpose of data visualization?

To convey data in a visual form for the reader to understand, analyze, and organize. Signup and view all the answers

What is the first step in selecting a data visualization technique?

Knowing your data and what visual technique paints a picture of your data. Signup and view all the answers

What does a bar graph display?

Data as single bars of various heights. Signup and view all the answers

What is a frequency table used for?

To show the exact number of each category of data. Signup and view all the answers

What is the purpose of using a bar graph in data visualization?

The purpose of using a bar graph in data visualization is to give a better sense of how numbers relate to one another and to visually represent different categories of data. Signup and view all the answers

What does each color of M&M's represent in a bar graph?

Each color of M&M's represents a separate category of data in a bar graph. Signup and view all the answers

How is the height of each category's bar determined in a bar graph?

The height of each category's bar in a bar graph is relative to its value. The higher the value, the taller the bar. Signup and view all the answers

What does a line graph depict in data visualization?

A line graph depicts how information changes continuously over time. Signup and view all the answers

What are the two axes of measurement in a line graph?

The two axes of measurement in a line graph are the x-axis, which often measures time, and the y-axis, which usually measures volume or amount. Signup and view all the answers

Based on the line graph, on which days did the graph-maker do the most pushups?

According to the line graph, the graph-maker did the most pushups on Sunday and Tuesday. Signup and view all the answers

What does a pie chart represent in data visualization?

A pie chart represents a proportion of the whole and is used to display data categories that make up the whole. Signup and view all the answers

What does the majority of the surveyed pet owners have as a pet, according to the pie chart?

According to the pie chart, the majority of the surveyed pet owners have a dog as a pet. Signup and view all the answers

What should be considered when choosing a data visualization technique?

When choosing a data visualization technique, one should consider the nature and volume of the data and how it would best be presented. Signup and view all the answers

What is the goal of data visualization?

The goal of data visualization is to organize and present data in a way that allows viewers to understand and analyze it. Signup and view all the answers