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MSIS 3223 - Exam 1 (Chapters 1-4) Questions With Complete Solutions
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MSIS 3223 - Exam 1 (Chapters 1-4) Questions With Complete Solutions
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MSIS 3223 - Exam 1 (Chapters 1-4) Questions WithComplete Solutions
A body weight scale is used to weigh patients in a clinic, but it
reads weights one pound below the true value. Which of the
following is true about the data collected by this scale? Correct
Answer Data are valid.
A data set is simply a collection of data. Correct Answer True.
A database is a collection of related files (tables) containing
records on people, places, or things. Correct Answer True.
A deterministic model is one in which all model input
information is wither known or assumed to be known with
certainty. Correct Answer True.
A manager at Academy wishes to know the company's revenue
and profit in its previous quarter. Predictive analytics is what the
manager should use for this task. Correct Answer False.
Analyzing the problem is the first phase in decision making.
Correct Answer False.
AND(condition 1, condition 2...) is a logical function that
returns TRUE if all conditions are true and FALSE if not.
Correct Answer True.
Decision models typically have three types of input: Data,
Uncontrollable Inputs, and Decision Options. Correct Answer
True.
, Descriptive analytics helps detect hidden patterns in large
quantities of data to group data unto sets to predict behavior.
Correct Answer False.
Excel has a tool called 'dicers' for drilling down data in a
PivotTable to display as subset of that data. Correct Answer
False.
Form controls are buttons, boxes, and other mechanisms for
inputting or changing data on spreadsheets easily and used to
design user-friendly spreadsheets. Correct Answer True.
Modern business analytics can be viewed as an integration of
Business Intelligence, Information Systems, statistics, and
modeling and optimization. Correct Answer True.
PivotTables may be used to facilitate data visualization and
statistical analysis of data sets. Correct Answer True.
Predictive Analytics: Correct Answer Detects patterns in
historical data and extrapolates them forward in time.
Prescriptive analytics can help a company address the best way
of shipping goods from their factories to minimize costs.
Correct Answer True.
Statistics has a long rich history, yet only rather recently has it
been recognized as an important element of business, driven to a
large extent by the massive growth of data in today's world.
Correct Answer True.
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