MSIS Final Exam 3223 Ali
Okstate/107 Questions and Answers
The process of developing good, useful, and correct spreadsheet models is
known as spreadsheet engineering
T/F - -True
- In predictive modeling, validity refers to how well a model represents
reality
T/F - -True
- Two-way data tables can evaluate only one output variable
T/F - -True
- Models can capture every detail of a real problem
T/F - -False
- Verification is the process of ensuring that a model is accurate and free
from logical errors
T/F - -True
- Excel Formula Auditing tools (in the Formulas tab) help you validate the
formulas and check for errors
T/F - -True
- One useful Excel tool is the data error feature, which allows you to define
acceptable input values in a spreadsheet and provides an error alert if an
invalid entry is made
T/F - -False
- A wide variety of practical problems in business analytics can be modeled
using spreadsheets
T/F - -True
- Which of the following is a visual representation of a descriptive model that
shows how the elements of the model influence, or relate to, others?
Precedence diagram
Influence diagram
Scatter chart - -Influence Diagram
- Adding more realism to a model reduces its complexity
T/F - -False
, - T/F: as Monte Carlo simulation is essentially statistical sampling, the larger
the number of trials used, the more precise the results. - -True
- T/F: Uniform or triangular distributions are used in the absence of data. - -
True
- T/F: Risk analysis seeks to examine the impact of uncertain inputs on
various outputs. - -True
- T/F: In the context of simulation, random numbers are numbers that are
uniformly distributed between 0 and 9. - -False
- T/F: A value randomly generated from a specified probability distribution is
called a random variate. - -True
- A constraint function is a function of the decision variables in the problem
T/F - -True
- Any solution that satisfies all constraints of a problem is called a feasible
solution
T/F - -True
- A binding constraint is one for which the Cell Value is greater than the
right-hand side of the value of the constraint
T/F - -False
- There are three types of organization models, linear, integer, and nonlinear
T/F - -True
- Infeasible problems can occur when the demand requirement is higher
than the available capacity
T/F - -True
- Decision variables in an optimization model are known values
T/F - -False
- Constraints are limitations, requirements, or other restrictions that are
imposed on any solution, either from practical of technological
considerations or by management policy
T/F - -True
- Simple bonds constrain the values of multiple variables
T/F - -False
- Proportional relationships are often found in problems involving mixtures
or blends of materials or strategies
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