AP CSP Unit 5 Vocab-Data

What is the definition of "metadata"?

• Data about data

• Data that has been cleaned

• Data that is filtered

• Data that is correlated

Which term describes the process of making data uniform without changing its meaning?

• Data Filtering

• Cleaning Data

• Crowdsourcing

• Correlation

What is "correlation" in the context of data analysis?

• The process of cleaning data

• A relationship between two pieces of data

• Data about data

• The process of crowdsourcing

Which of the following best describes "citizen science"?

• Data that is filtered by scientists only

• Scientific research conducted by distributed individuals, many of whom may not be scientists

• The process of cleaning data

• A type of data bias

What is "data bias"?

• Data that is always accurate

• Data that does not accurately reflect the full population or phenomenon being studied

• Data that is filtered for analysis

• Data that is cleaned

Which term refers to obtaining input or information from a large number of people via the Internet?

• Data Filtering

• Crowdsourcing

• Correlation

• Metadata

What is the main purpose of data filtering?

• To make data uniform

• To choose a smaller subset of a data set for analysis

• To find correlations between columns

• To collect data from the internet

Which of the following is an example of cleaning data?

• Removing all rows with missing values

• Replacing all equivalent abbreviations, spellings, and capitalizations with the same word

• Collecting data from multiple sources

• Analyzing two columns for correlation

If you have a table of survey responses and you want to analyze only the responses from students aged 15, which process would you use?

• Cleaning Data

• Data Filtering

• Crowdsourcing

• Correlation

A researcher notices that their data set only includes responses from people in one city, but they want to study the entire country. What problem might this cause?

• Data Filtering

• Data Bias

• Correlation

• Metadata