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AP CSP DATA UNIT, QUESTIONS
AND ANSWERS, 100% AC CURATE.
GRADED A+
Question : Citizen Science
CORRECT ANSWER: scientific research conducted in
whole or part by distributed individuals, many of whom may not be scientists, who contribute relevant data to research using their own computing devices.
Question : Cleaning Data
CORRECT ANSWER: a process that makes the data
uniform without changing its meaning (e.g., replacing all equivalent abbreviations, spellings, and capitalizations with the same word).
Question : Correlation
CORRECT ANSWER: a relationship between two
pieces of data, typically referring to the amount that one varies in relation to the other.
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Question : Crowdsourcing
CORRECT ANSWER: the practice of obtaining input or
information from a large number of people via the Internet.
Question : Information
CORRECT ANSWER: the collection of facts and
patterns extracted from data
Question : Data bias
CORRECT ANSWER: data that does not accurately
reflect the full population or phenomenon being studied
Question : Data filtering
CORRECT ANSWER: choosing a smaller subset of a
data set to use for analysis, for example by eliminating / keeping only certain rows in a table
Question : Data set
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CORRECT ANSWER: a collection of related sets of
information
Question : Database
CORRECT ANSWER: an organized collection of
structured information, or data, typically stored electronically in a computer system
Question : Parallel systems
CORRECT ANSWER: the simultaneous use of multiple
computer resources that can include a single computer with multiple processors
Question : Bar graph
CORRECT ANSWER: a diagram in which the
numerical values of variables are represented by the height or length of lines or rectangles of equal width
Question : Histogram
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CORRECT ANSWER: a diagram consisting of
rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval
Question : Scatterplot
CORRECT ANSWER: a graph in which the values of
two variables are plotted along two axes, the pattern of the resulting points revealing any correlation present
Question : Crosstab
CORRECT ANSWER: a type of table in a matrix
format that displays the multivariate frequency distribution of the variables
Question : Algorithm bias
CORRECT ANSWER: systematic and repeatable errors
in a computer system that create "unfair" outcomes, such as "privileging" one category over another