a) Data Analysis
b) Data Science
c) Descriptive Analytics
d) None of the mentioned
Data Science is a multidisciplinary which involves extraction of knowledge from large volumes of data that are structured or unstructured.
a) Raw data is original source of data
b) Preprocessed data is original source of data
c) Raw data is the data obtained after processing steps
d) None of the mentioned
Accounting programs are prototypical examples of data processing applications.
a) Define the question
b) Create reproducible code
c) Challenge results
d) All of the mentioned
A data scientist is a job title for an employee or business intelligence (BI) consultant who excels at analyzing data, particularly large amounts of data.
a) Java
b) Ruby
c) R
d) None of the mentioned
R is free software for statistical computing and analysis.
a) Merging concerns combining datasets on the same observations to produce a result with more variables
b) Data visualization is the organization of information according to preset specifications
c) Subsetting can be used to select and exclude variables and observations
d) All of the mentioned
Data formatting is the organization of information according to preset specifications.
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