INTRO. STATISTICAL QUALITY CONTROL
13th Edition
ISBN: 9781118909447
Author: Montgomery
Publisher: WILEY
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Textbook Question
Chapter 2, Problem 9DQE
An important part of a project is to identify the key process input variables (KPIV) and key process output variables (KPOV). Suppose that you are in charge of a hospital emergency room. Discuss the KPIVs and KPOVs for this business. How do they relate to possible customer CTQs?
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Question 3
The following stem-and-leaf displays the weekly salary of employees at this firm.
Stem-and-Leaf Display
Leaf Unit = 10.0
N=x
5
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12 4 0125888
(y)
5 11234456777
z
6 13568
5
7 154
2
8 46
i.
Determine the value of x, y and z.
[3]
ii. What is the value of the median?
[2]
iii.
Find the mode of this data set.
iv.
Calculate the range
[1]
[2]
Let Y be a continuous RV with PDF
otherwise
Find the CDF, Fry), of Y .
Find an expression for pth, p € (0, 1), quantile of the distribution.
Find E(Y) and V(Y).
Find E(-2Y + 1) and V(-3Y - 2).
Find E(Y3).
Let X be a continuous RV with CDF
Find P(X < 0), P(-1 < X < 1) and P(0.5 < X).
Based on your answers to the above questions, what is the median of the distribu-tion? Why
Find the PDF, fx (x), of X.
Chapter 2 Solutions
INTRO. STATISTICAL QUALITY CONTROL
Ch. 2 - Discuss the similarities between the Shewhart...Ch. 2 - What role does risk play in project selection and...Ch. 2 - Suppose that a project will generate A per year....Ch. 2 - Describe a service system that you use. What are...Ch. 2 - One of the objectives of the control plan in DMAIC...Ch. 2 - Is there a point at which seeking further...Ch. 2 - Explain the importance of tailgates in the DMAIC...Ch. 2 - An important part of a project is to identify the...Ch. 2 - Why are designed experiments most useful in the...Ch. 2 - Suppose that your business is operating at the...
Ch. 2 - Suppose that your business is operating at the...Ch. 2 - Explain why it is important to separate sources of...Ch. 2 - Consider improving service quality in a...Ch. 2 - Suppose that during the analyze phase an obvious...Ch. 2 - If has been estimated that sate aircraft carrier...Ch. 2 - Discuss why, in general, determining what to...Ch. 2 - Suppose that you want to improve the process of...
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