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WorksheetsData analytics basics
Total questions: 10
Worksheet time: 5mins
Data analytics is
the art and science of cleaning data.
the process of examining data sets in order to draw
conclusions about the information they contain using specialised software
a technology-enabled discipline in which business and IT work together to ensure the uniformity, accuracy, stewardship, semantic consistency and accountability of the enterprise's official shared master data assets.
Types of data analysis include
Prescriptive
Diagnostic
Analytic
Descriptive
Descriptive
Prescribed method
Analytic
Diagnostic
Descriptive
Prescriptive
diagnostic
predictive
Artificial intelligence is the best example of which type of data analysis:
(a)
There are _ steps in the data analysis process.
7
3
5
The 5 Data types analysed in the data analysis process include:
Relational data
Meta data
time-related data
transactional data
hyper-text data
Meta Data
Master Data
Relational data
Time-sensitive data
Relational data
Time-related data
Transactional data
Hyper-text data
Stream data
A data set consists of
entities
raw data
objects
Data found in both relational databases and open databases can be both :
Unstructured and raw
structured and unstructured
meta and raw
The main difference between Management information System (MIS) and Business Intelligence is:
MIS is looking at expenses and revenue reporting of a business while BIS looks at the data to find patterns that could aid the overall operations.
the type of data and how it is handled.
Nothing, they are the same.
Big data is.....
information such as facts and numbers used to analyze something or make decisions.
data or information about data
data that contains greater variety, arriving in increasing volumes and with more velocity.
The Four Vs of big data are:
volume
variety
visual
velocity
Volume
velocity
variety
veracity
There are actually 5 Vs. Volume, variety, veracity and validity.
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