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DATA LITERACY FOR ALL

  • Learn fundamental data skills at your own pace

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  • Find out the basics for developing, analyzing, and making decisions with data

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  • This course series covers key topics, including understanding data types, basic statistics concepts, and interpreting visualizations

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  • Learn how to explore, understand, and communicate data insights within your organization and enable more informed decisions

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  • Regardless of your skill level, you will gain confidence in your ability to explore, understand, and communicate with data that will benefit your career development or enhance your education.

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Exploring Variables &

Field Types

Itsmecevi.github.io

X

Tableau.com

DATA LITERACY FOR ALL

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Learn the range of data concepts you need for exploring, understanding, and communicating data insights…!

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Gain a greater understanding of the values in your data.

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Gain a greater understanding of the values in your data.

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About:

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  • Exploring many different types of variables
  • Learning how qualitative variables are classified
  • Gaining an understanding of the difference between discrete and continuous variable
  • How visualizations reveal different data insights depending on the field types used

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Outcomes:

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  • Identify different types of variables.
  • Distinguish among nominal qualitative, ordinal qualitative, and quantitative variables.
  • Distinguish between discrete and continuous variables.

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Prerequisites: None.

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Agenda

  1. Understanding variables and field types
  2. View variables in visualizations
  3. Discrete and continuous variables

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According to Jeffrey Leek, "Data is comprised of values of qualitative or quantitative variables, belonging to a set of items."

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  • Mild, medium, spicy
  • Number of children in a household
  • Speed measured in miles per hour
  • Number of hours spent watching tv each day
  • Gold medal, silver medal, bronze medal
  • Makes of automobiles
  • Strongly agree, agree, not agree
  • Types of pets
  • Types of residence
  • Province in Canada

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Let's take a look at how quantitative and qualitative variables reveal data insights in visualizations.

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We'll begin with a visualization that contains only one quantitative variable, and shows average shipping costs.

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What do you notice? Surprisingly, low-priority orders have higher average shipping costs than medium-priority orders do.

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What do you notice? Surprisingly, for medium-priority orders, orders shipped first class have higher average shipping costs than orders shipped same day.

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  • Number of students in a class
  • Volume of water in the Pacific ocean
  • Air temperature
  • Number of eggs in a carton
  • Mass of semi truck
  • Number of horse in South Africa

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References:

https://onlinestatbook.com/

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https://onlinestatbook.com/Online_Statistics_Education.pdf

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Feel Free to Ask

https://itsmecevi.github.io/

itsmecevi@gmail.com

https://lynk.id/itsmecevi

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