AP Computer Science Principles Unit 5: Data

Front

How are pivot tables used?

Back

To summarize raw data

Front

Definition: Ability to accommodate larger amounts of data and/or more users as time progresses

Back

Scalability

Front

Which of the following would be considered metadata of a survey administered to all SHHS students asking about lunch choices?
Options:
Which lunch option the most students preferred
The average 1-5 rating of each lunch choice
The time each survey response was collected

Back

The time each survey response was collected

Front

Which of the following is a generally acceptable data cleaning procedure? Options: Using fewer significant figures, Rounding all data points up to the nearest 10, Ignoring a row of incomprehensible responses, Deleting rows of data that make analysis more challenging

Back

Ignoring a row of incomprehensible responses

Front

What is missing from this data visualization? Options: Title, Key/Legend, Data Source

Back

Units

Front

This chart is from Google trends. What does it likely indicate?

Back

"Chicago Cubs" is searched more than "Cleveland Indians"

Front

Which of the following is NOT an example of metadata for an image file? Size of the image, Date the image was created, Image resolution, Copy of each image pixel

Back

Copy of each image pixel

Front

Which of the following is a likely source of bias in regards to collecting data about a city's governmental policies? Surveying a random 10% representation of the population, Surveying different neighborhoods regarding different topics, Having the survey available only on a mobile application, Having the survey available in digital and paper formats

Back

Having the survey available only on a mobile application

Front

What is crowdsourcing in terms of data collection and analysis?

Back

Using civilians to help with some tasks, usually recruited online

Front

Which of the following is the most common data misconception? Causation indicates correlation, Correlation indicates causation, Correlation always involves a direct relationship, Causation occurs without correlation

Back

Correlation indicates causation