Data and Visualization Quiz

What is data?

• A collection of numbers and facts that computers process

• Only text information stored on a computer

• Random numbers with no meaning

• A type of computer software

Which of the following is an example of data collection?

• Watching a YouTube video

• Recording daily temperatures in a spreadsheet

• Writing an essay

• Playing a video game

What is the primary purpose of data visualization?

• To make data harder to understand

• To display data in a visual format like charts and graphs

• To delete unnecessary data

• To replace data with pictures

Which tool is commonly used for creating data visualizations?

• Microsoft Word

• Adobe Photoshop

• Microsoft Excel

• Google Docs

What type of graph is best for showing trends over time?

• Pie chart

• Line graph

• Bar chart

• Scatter plot

A pie chart is best used for displaying…

• Data trends over time

• The relationship between two variables

• Percentages of a whole

• How data changes each day

Which data collection method is best for tracking website visits?

• Surveys

• Observations

• Web analytics tools

• Handwritten notes

What is one risk of poor data collection?

• More accurate analysis

• Misleading conclusions and incorrect decisions

• Faster computer processing

• More colorful charts

Why is it important to clean data before analyzing it?

• To remove unnecessary charts

• To make the data more confusing

• To eliminate errors, duplicates, and missing values

• To ensure all numbers are the same

Which of the following is an example of unstructured data?

• A customer database

• A list of student grades in a spreadsheet

• A collection of social media comments

• A table of product prices