ISDS 3115

what is slack time?

Slack is the amount of time an activity can be delayed without delaying the entire project.

A project​ organization:

is effective for companies with multiple large projects.

Which of the following statements concerning CPM activities is​ false?

The late finish of an activity is the earliest late start of all preceding activities.

The difference between AON and AOA networks is​ that:

* nodes designate activities in​ AON, while arrows designate activities in AOA.


* AOA networks sometimes require dummy activities.


* both are acceptable in​ practice; however, Microsoft Project uses AON.


* nodes consume no resources or time in AOA networks.

Is it true that, In trend​ projection, a negative regression slope is mathematically impossible?

no

In a regression equation where *​y-hat* is demand and *x* is​ advertising, a coefficient of determination (R^2​) of .70 means that​ 70% of the variance in advertising is explained by demand.

false

Increasing the number of periods in a moving average will accomplish greater​ smoothing, but at the expense​ of:

sensitivity to real changes in the data.

A fundamental distinction between trend projection and linear regression is​ that:

in trend projection the independent variable is​ time; in linear regression the independent variable need not be​ time, but can be any variable with explanatory power.

The production process at Hard Rock Cafe does NOT include which of the following​ activities?

advertising

Which of the following best defines​ scheduling?

Determines and implements​ intermediate- and​ short-term schedules that effectively and efficiently utilize both personnel and facilities while meeting customer demands.

The economic activities that typically produce an intangible product are referred to as:

services

Which of the following does not represent competing on​ response?

based on providing uniqueness

A way to identify those elements in the​ product/service chain that uniquely add value is referred to as

value-chain analysis.

A successful quality strategy begins with

an organizational culture that fosters quality.

Which of the following is NOT a common TQM​ tool?

queuing models

Which of the following would NOT be a concerning pattern on a control​ chart?

All of the above are concerning patterns on a control chart

In acceptance​ sampling, the​ producer's risk is the risk of having a

good lot rejected.

In location​ planning, environmental​ regulations, cost and availability of​ utilities, and taxes​ are:

\n ​regional/community factors.

Which of the following methods best considers intangible costs related to a location​ decision?

factor-rating method

Production and transportation costs are always considered in which of the following location decision​ methods?

transportation model

Geographic information systems can assist the location decision​ by:

combining geography with demographic analysis.

A good layout requires​ determining:

* environment and aesthetics.


* material handling equipment.


* capacity and space requirements.


* cost of moving between various work areas.

Which of the following seeks the best personnel and machine utilization in repetitive or continuous​ production?

product-oriented layout

ASRS stands for which of the​ following?

automated storage and retrieval system

The major problem addressed by the​ process-oriented layout strategy​ is:

minimizing difficulties caused by material flow varying with each product

Which of the following is one of the main advantages of a product−oriented layout?

low variable cost per unit

Which one of the following is NOT common to repetitive and​ product-oriented layouts?

ability to adjust to changes in demand

The disadvantages of​ process-oriented layout come​ from:

the general purpose use of the equipment.

The major problem addressed by the warehouse layout strategy​ is:

addressing trade-offs between space and material handling.

Which of the following is NOT a retail layout​ practice?

all of the above are retail layout practices

The objective of layout strategy is​ to:

develop an effective and efficient layout that will meet the firm’s competitive requirements.

Which of the following statements regarding the​ center-of-gravity method is​ FALSE?

It is designed to minimize the maximum possible travel distance to any of the locations.

Governmental attitudes toward issues such as private​ property, intellectual​ property, zoning,​ pollution, and employment stability may change over time.

political risk

The two popular measures for quantitatively determining if a process is capable are

process capability ratio and process capability index.

One hundred percent inspection

means that every part is checked to see whether or not it is defective.

Which of the following costs is NOT a cost of​ quality?

research & developing

Disney differentiates itself by not simply having customers go on a​ ride, but instead immersing them in the experience. What is the name for this type of​ differentiation?

experience differentiation

Which operations function at a manufacturing facility strives for the efficient use of​ machines, space, and​ personnel?

industrial engineering

The primary purpose of the mean absolute deviation​ (MAD) in forecasting is​ to:

measure forecast accuracy

Which of the following techniques uses variables such as price and promotional​ expenditures, which are related to product​ demand, to predict​ demand?

associative models

The forecasting technique that pools the opinions of a group of experts or managers is known​ as:

jury of executive opinion

The main difference between PERT and CPM is​ that:

PERT employees three time estimates for each activity

Work breakdown structure is a useful tool in project management because it addresses the timing of individual work elements.

false