Unit 5 Data (Flashcardizz)

Front

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.

Back

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

Front

What is metadata?

Back

Data that is about the data.

Front

Recognizing patterns and similarities in data visualizations relates to which of the following about the data? Causation, Correlation, Metadata, Filtering

Back

Correlation

Front

Which of the following is NOT a benefit of metadata?
Options:
It can be changed without impacting the primary data,
Used for sorting and filtering information,
Increases effective use of data by providing extra information,
Increases search speeds of the database

Back

Increases search speeds of the database

Front

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

Back

Data is a string

Front

What is the goal of the data analysis process?

Back

To gain insight into new information

Front

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

Back

Open data

Front

A team of researchers wants to create a program to analyze the amount of pollution reported in roughly 3,000 counties across the United States. The program is intended to combine county data sets and then process the data. Which of the following is most likely to be a challenge in creating the program? Options: A computer program cannot combine data from different files., Different counties may organize data in different ways., The number of counties is too large for the program to process., The total number of rows of data is too large for the program to process.

Back

Different counties may organize data in different ways.

Front

Which of the following can best be determined using only the data and none of the metadata?
- The average number of hours per day that the car is in use
- The car’s average speed on a particular day
- The distance the car traveled on a particular day
- The number of bicycles the car passed on a particular day

Back

The number of bicycles the car passed on a particular day

Front

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

Back

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