OPERATIONS MANAGEMENT IN THE SUPPLY CHAIN: DECISIONS & CASES (Mcgraw-hill Series Operations and Decision Sciences)
7th Edition
ISBN: 9780077835439
Author: Roger G Schroeder, M. Johnny Rungtusanatham, Susan Meyer Goldstein
Publisher: McGraw-Hill Education
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Question
Chapter 9, Problem 4P
a)
Summary Introduction
To determine: The UCL and LCL for a
b)
Summary Introduction
To determine: The UCL and LCLs for a sample size of 10,000.
c)
Summary Introduction
To determine: The sample size that should be recommended.
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Students have asked these similar questions
An X-bar chart has the following control limits UCL=251.5 and LCL=248.5. The sample size is n=4,
the process mean is equal to 250 and the process standard deviation is sigma = 1.0. What is the Cp
value ?
0.500
not enough information
0.316
0.408
0.447
0.353
6.
The defect rate for your product has historically been about
4.50%.
For a sample size of
500,
the upper and lower
3-sigma
control chart limits are:
Part 2
UCLp
= _______ (enter your response as a number between 0 and 1, rounded to four decimal places).
The Standard deviation of defect rate of product is given __________.
The Upper and Lower 3-sigma control charts limits are:
UCLp ________
LCLp ________
A process sampled 20 times with a sample of size 8 resulted in = 28.5 and R = 1.8. Compute the upper and lower control limits for the x chart for this process. (Round your answers to two decimal places.)
UCL = 29.17
LCL = 27.82
X
Compute the upper and lower control limits for the R chart for this process. (Round your answers to two decimal places.)
UCL = 3.35
X
LCL =
0.24
Chapter 9 Solutions
OPERATIONS MANAGEMENT IN THE SUPPLY CHAIN: DECISIONS & CASES (Mcgraw-hill Series Operations and Decision Sciences)
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