What is the statistic that measures the direction and strength of the linear relationship
between two variables?
a) r2
b) Coefficient of variation
c) Variance
d) Coefficient of kurtosis
e) Correlation coefficient
What are two of the most popular facility layout software packages?
a) CONWIP and CRAFT
b) ALDEP and CRAFT
c) CONWIP and MRP
d) ALDEP and MRP
e) ALDEP and CONWIP
Causes of variation that can be identified and eliminated are called what?
a) Random
b) Assignable
c) Identifiable
d) Stochastic
e) Common
The first step in making a capacity planning decision is ______________________.
a) evaluate capacity alternatives
b) implementation
c) identify capacity requirements
d) develop capacity alternatives
e) weight capacity objectives
The following jobs are waiting to be scheduled. Today is day 9. Determine the sequence
of jobs by using EDD as a priority rule.
a) D-A-C-E-B
b) B-E-C-A-D
c) C-D-E-A-B
d) B-A-E-D-C
e) A-D-C-E-B
What is the upper control limit for a c-chart if the total defects found over 200 samples
equals 32?
a) 1.36
b) 13.75
c) 0.56
d) 25.00
e) 48.97
What is a control chart that monitors the proportion of defects in a sample?
a) x-bar chart
b) R-chart
c) p-chart
d) c-chart
e) OC chart
One of the greatest benefits of JIT would be
a) increasing waste and improving responsiveness
b) longer lead times and increased productivity
c) decreased machine utilization and improved quality
d) competing based on schedules
e) eliminating waste, improving responsiveness and competing based on time
Order winners and qualifiers:
a) are consistent between manufacturing and service organizations
b) only matter when responding to formal competitive bid requests
c) remain constant over time
d) change over time
e) only apply to quasi-manufacturing firms
Exponential smoothing forecasting methods requires a small amount of historical data.
Blaster Radio Company is trying to decide whether or not to introduce a new model. If
they introduce it, there will be additional fixed costs of $400,000 per year. The variable
costs have been estimated to be $20 per radio.
a) If Blaster sells the new radio model for $30 per radio, how many must they sell to
break even?
b) If Blaster sells 70,000 of the new radio model at the $30 price, what will the
contribution to profit be?
Consider the Linear Program below. Which of the choices represents the best (tightest)
lower bound?
Max 2X + Y
Subject to
X + Y ≤ 10
X, Y ≥ 0
a) (∞, -∞)
b) (-∞, -∞)
c) (0, 0)
d) (5, 0)
e) (25, 16)
The central belief of the JIT philosophy is
a) Quality must be emphasized
b) Use of Kanban
c) Elimination of waste
d) Minimize inventory
e) Save money
With probabilistic time estimates for activities, (o) denotes the
_______________________.
a) median time
b) original time
c) optimistic time
d) pessimistic time
e) most likely time
What measures the difference between the largest and smallest observations in a set of
data?
a) Range
b) Coefficient of variation
c) Coefficient of kurtosis
d) Coefficient of skewness
e) Standard deviation
Which of the following is not an assumption of the waiting line models presented in the
textbook?
a) balking is allowed
b) reneging is not allowed
c) jockeying is not allowed
d) customer arrival rate is described by a Poisson distribution
e) service times are described by an exponential distribution
A worker performed a particular task for the first time, and it took 10 minutes. If we
assume a 90% learning curve, how long will it take the worker the fourth time she
performs the task?
a) 10.0 minutes
b) 9.0 minutes
c) 8.1 minutes
d) 7.29 minutes
e) 6.561 minutes
What are the three primary types of technology?
a) product technology, process technology, and information technology
b) product technology, process technology, and environmental technology
c) product technology, process technology, and safety technology
d) information technology, environmental technology, and safety technology
e) environmental technology, information technology, and process technology
How many arguments does the MATCH function in Excel take?
a) 1
b) 2
c) 3
d) 4
e) 5
Successful supply chain partnerships have impact when they reduce:
_______________________ and ______________________ while
______________________ and ______________________.
What are the characteristics of intermittent operations?
In a single-line, multi-server, single phase model, customers form a ________ line.
Based on the definition in the ninth edition of the APICS Dictionary, what is operation
sequencing?
Load and progress charts are examples of _____________________.
What are the key elements a JIT company’s relationship with its suppliers?
Describe how finance is associated with SQC.
Why are forecasts more accurate for groups or families of items rather than for
individual items?