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Ali Bagheri MSIS 3223 Exam 1 Questions With Complete Solutions
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Ali Bagheri MSIS 3223 Exam 1 Questions With Complete Solutions
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Ali Bagheri MSIS 3223 Exam 1 Questions With CompleteSolutions
•Common mathematical operators are used Correct Answer -
addition (+)
-subtraction (-)
-multiplication (*)
-division (/)
-exponentiation (^)
Absolute references Correct Answer $A$2, $C5, D$10
Advanced Filter Correct Answer provides a way of explicitly
defining criteria by which to filter a database.
•First, copy the headers from the database to an open location in
the worksheet. Under the headers, specify the criteria that you
want to use to filter the data.
-Multiple criteria in the same row are logically joined by "and,"
while criteria in rows are joined by "or."
Advantages of Using Tableau Correct Answer Fantastic
Visualizations-You can now work with a lot of data that doesn't
have any order to it and create a range of visualizations. Well,
thanks to the in-built features of Tableau which help you create
visualizations that stand out from the crowd. You also have the
option of switching between different visualizations to bring
about a greater context, ways of drilling down data, and
exploring the data at a minute level.
,Advantages of Using Tableau (cont.) Correct Answer -Tableau
can help enterprises futuristically to:
▪Analyze data without any specific goals in mind.
▪Explore visualizations and have a look at the same data from
different angles.
▪Frame 'what if' queries and work with data by hypothetically
visualizing it in a different manner and dynamically adding
components for comparison and analysis..
Area Charts Correct Answer •An area chart combines the
features of a pie chart with those of line charts.
-Area charts present more information than pie or line charts
alone but may clutter the observer's mind with too many details
if too many data series are used; thus, they should be used with
care.
Assumptions are made to Correct Answer -simplify a model
and make it more tractable; that is, able to be easily analyzed or
solved.
-better characterize historical data or past observations.
•The task of the modeler is to select or build an appropriate
model that best represents the behavior of the real situation.
Benefits Correct Answer reduced costs, better risk
management, faster decisions, better productivity and enhanced
bottom-line performance such as profitability and customer
satisfaction.
, Big data Correct Answer refers to massive amounts of business
data (volume) from a wide variety of sources (variety), much of
which is available in real time (velocity), and much of which is
uncertain or unpredictable (veracity).
Bubble Charts Correct Answer A bubble chart is a type of
scatter chart in which the size of the data marker corresponds to
the value of a third variable; consequently, it is a way to plot
three variables in two dimensions
Business Analytics Correct Answer is s the use of:•data,
•information technology,
•statistical analysis,
•quantitative methods, and
•mathematical or computer-based models to help managers gain
improved insight about their business operations and make
better, fact-based decisions.
Categorical (nominal) data Correct Answer sorted into
categories according to specified characteristics
Categorical variables Correct Answer naturally define the
groups in a frequency distribution.
Challenges Correct Answer lack of understanding of how to
use analytics, competing business priorities, insufficient
analytical skills, difficulty in getting good data and sharing
information, and not understanding the benefits versus perceived
costs of analytics studies.
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