CSP Unit 9 Test

The image is from Google Trends that plots Cats and Dogs.

Choose the most accurate description of what this data is actually showing based on what you know about how Google Trends works.

• People like dogs more than cats

• People search for "dogs" more frequently than "cats"

• There was a sharp increase in the dog population sometime between 2014 and 2015

• The popularity of dogs as pets is slightly increasing over time, while the popularity of cats is relatively flat

What is metadata?

• Data that is about the data.

• Data that is everywhere.

• Data that can change.

• Data that needs filtered.

Which of the following is NOT a reason for data to be cleaned?

• Data is incomplete

• Data is invalid

• Multiple tables are combined into one

• Data is a string

A town decides to publicize data it has collected about electricity usage 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 energy usage strategies.

Which of the following does this situation best demonstrate?

• Citizen science

• Crowdfunding

• Open data

• Machine Learning

Which of the following applications is most likely to benefit from the use of crowdsourcing?

• An application that allows users to convert measurement units (e.g., inches to centimeters, ounces to liters)

• An application that allows users to purchase tickets for a local museum

• An application that allows users to compress the pictures on their devices to optimize storage space

• An application that allows users to view descriptions and photographs of local landmarks

Data that is publicly available and shared by governments, organizations, and others.

• Crowd Sourcing

• Citizen Science

• Open Data

• Big Data

Given the data about car accidents, which outcome is supported by the data?

• Drivers age 16-25 have the fewest accidents.

• More accidents occur on the weekdays.

• Drivers age 26-50 have fewer accidents than the other two age groups.

• Adult drivers have more accidents on weekdays during rush hour than other times of the day.

Correlation does not equal

• Causation

• Structural damage

• Theoretical yield

• Your mama

Bar charts and histograms are two common chart types for data with ___ column(s)

• 1

• 2

• 3

• 4

Scatter plots and cross tab charts are two common chart types for data with ___ column(s)

• 1

• 2

• 3

• 4