Representing Data
smallest unit of data (binary digit)
what is a bit?
Data that is highly organized and follows a predefined format (what you would find in a database)
What is Structured Data?
Reducing the size of data files
What is Data Compression?
Drawing conclusions based on data
What is Data Analysis?
Data that repeats in a predictable and recognizable way
What are patterns?
8 bits
what is a byte?
Data that lacks a specific structure or organization (what you find in the “wild”)
What is Unstructured Data?
Creating and extracting different subsets of data
What is Filtering Data?
DAILY DOUBLE
Which data visualization type is best for displaying trends over time?
What is a Line Graph
Observable patterns and shifts that occur over time
What are Trends?
Decimal equivalent of 101101
What is the 45?
Represents information as a continuously varying quantity
What is Analog Data?
Removing or correcting incorrect or duplicate data
What is Cleaning Data?
Editing or modifying data to extract more information
What is Transforming Data?
A statistical relationship between two variables
Process of reducing complexity by focusing on its central idea
What is Abstraction
Data about data
What is Metadata?
Data compression method that allows original data to be perfectly reconstructed from compressed data
What is Lossless Compression?
Modifying temperature data from Fahrenheit to Celsius is an example of this.
What is Transforming data?
A direct cause and effect relationship between two variables
What is a causation?
Representing complex data in a simplified form
What is Data Abstraction?
DAILY DOUBLE
What does metadata help with?
What is managing, organizing, or finding data
Provide two examples of Lossy Compression.
What is MP3/4, JPEG
You see that as ice cream sales go up, so do the number of people getting sunburned. What kind of relationship is this?
What is Correlation?
A data point that differs significantly from rest of data
What is an Outlier?