Metadata is

• Data that we think about

• Data that tells you what to do

• Data about Data

• The actual Pixels in a picture

Location data, time and the date, is captured from a tracker on ships, which one could NOT be answered with this Data?

• How many miles were traveled in a week?

• Does the ship sail to the same places other ships do?

• What ports does the ship go to normally?

• Does the ship change course to avoid the weather?

If you have similar data from many different sources, what might be the most likely challenge in combining data?

• Computers can't combine different data

• There's just too much data to handle

• Data from different sources isn't formatted the same way

• Not enough processing power

What problem did the schools address when they issued laptops to all students in the county?

• Digital Internet

• Digital Access

• Digital Literacy

• Digital Divide

Crowdsourcing is using one other person on the internet to help you with your problem

• True

• False

What problem might you have if you quiz someone on US states and want to autograde it accurately?

• Typos/abbreviations

• They might do it too slowly

• They might use a fake state

• They might not type anything at all

Which of the following would NOT be considered cleaning data.

• Categorizing typed answers

• Fixing typos / capitalization

• Manipulating data so covid numbers look better

• Removing invalid data

• Removing outlier data

Which of the following is NOT negatively affected by the digital divide.

• A disabled person

• A poor person

• A rich 30 year old

• An elderly eskimo

A school conducted a survey about how student get to school. Data shown in table.

Which column is data will likely be most difficult to visualize or analyze?

• How Travel

• How Long

• Time Arrive

• Biggest Challenges

What would be a better chart type for this data? 

• Current chart
• Line Chart
• Pie Chart
• Bar Chart