Big Idea 2 Review

A videographer stores videos on his laptop. In this case, the videos are considered the data. Each video includes metadata such as: Date- the date the video was shot, Time - the time the video was shot, Location - the location the video was shot, Device - the camera the video was recorded with. Which of the following could the videographer NOT do based on this metadata?

• filter videos to those recorded within the city

• filter videos to those recorded in the last 3 months

• filter videos to those recorded in a particular city

• filter videos to those recorded with his favorite camera

This type of data makes working with other data easier - allowing the user to sort or locate specific information. It is also referred to as "data about data." What type of data is this?

• quantitative data

• programming data

• metadata

• machine data

A coffee shop is interested in learning about the beverage preferences of coffee drinkers living near the coffee shop and intends to use the survey data to help decide which new beverage options to add to the menu. Which of the following is LEAST likely to be part of the process used to analyze the data?

• Filtering data to view responses based on gender.

• Cleaning data to remove inconsistencies.

• Filtering data to view responses based on age.

• Cleaning up data visualization to remove unwanted patterns

An ornithologist is interested in learning more about the different kinds of birds living in different areas of the state in which he lives. He creates an app that allows residents of the town to photograph birds in their area using a smartphone and record data, time, and location of the photograph. Afterward, the ornithologist will analyze the data to try to determine what different kinds of birds are living in the state.

Which of the following does this situation best demonstrate?

• crowd sources

• crowd funding

• citizen science

• open data

A local health department decides to publicize data it has collected about the spread of Covid-19 around the city. The data is freely available for all to use and analyze in the hopes that it is possible to identify more efficient strategies to avoid the spread of the virus.

Which of the following does this situation best demonstrate?

• open data

• citizen science

• crowd funding

• machine data

A videographer stores videos on his laptop. In this case, the videos are considered the data. Each video includes metadata such as: Date- the date the video was shot, Time - the time the video was shot, Location - the location the video was shot, Device - the camera the video was recorded with. Filtering the data to analyze specific portions of the metadata would be considered what?

• machine data

• data filtering

• crowd funding

• crowd sourcing

Data that showed individuals who smoked 5 packs of cigarettes a week all developed lung cancer is an example of what?

• machine data

• correlation

• open data

• citizen science

Providing users read-only access to data is an example of

• security

• privacy

• encryption

• filtering

Which data compression technique comes at the expense of losing data?

• classification

• filtering

• lossless

• lossy

Information about the location of a photograph within the data of a picture is

• content

• open data

• metadata

• correlation