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Paul Christian Catoera January 3, 2014

BSME 3-1 Engr. Burgos

Engineering Management

A.) What is a Quantitative Modeland how does it work?

Quantitative model was used by engineers that work in a company. When it comes to concept this model is

concerned in discovering about social phenomena that might helps in resolving managerial problems and company

matters. Secondly, this models assumes a fixed a measurable reality. When we say methodological reasoning and facts,

data are collected through measuring things about what really happened to the problem and how did it come out. Data

are analyzed through numerical comparisons and statistical inferences. Lastly, data are reported through statistical

analyses.

On the other hand, this model also helps engineers ad company managers in making a future strategy for a

change management in different companies. Nevertheless, this able to check the validity of a such planning for

requirements change management, thus it is necessary to use it in industry by requirement engineers or any other

people that are concerned with managerial works. And lastly, this helps them analyze those problems that might comeduring work about performance of a company.

Here are examples of a Quantitative Model diagram:

B.)

What are Quantitative models? Give its explanations and examples.

a.) Forecasting. This model is defined as the collection of the past and current information to make

predictions about the future. In Qualitative forecasting techniques are subjective, based on

the opinion and judgment of consumers, experts; they are appropriate when past

data are not available. They are usually applied to intermediate- or long-range

decisions. An example of qualitative forecasting methods is informed opinion and

judgment and in Quantitative forecasting models are used to forecast future data as

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a function of past data; they are appropriate when past data are available. These

methods are usually applied to short- or intermediate-range decisions. An example

of quantitative forecasting methods is last period demand.

b.)

C.) What is PERT and CPM?

It is the Program Evaluation and Review Technique, also known as PERT. It is a network model and a

mathematical technique that is commonly used by companies in having management, this helps in scheduling,

organizing and coordinating various tasks within a project. PERT is essentially a network model where activities and

events are represented by arcs and nodes. It is useful for that complex project with various modules and tracks, the

scheduling and charting of which could leave a Project Manager pulling out clumps of his or her hair. And lastly, this will

help you estimate and reduce the time and cost involved in completing a project.

An example of a PERT chart

CPM or also known as the Critical Path Method, this method helps and permits you to recognize, which

activities lay on the critical path i.e. those for which any setback or rushing will affect the overall time for the project.

This will assist you in managing the collection of tasks to accomplish fixed time targets overall.

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An example of a CPM chart

http://www.mycoted.com/File:Cpm.gif