Probability and Statistics for Engineering and the Sciences
9th Edition
ISBN: 9781305251809
Author: Jay L. Devore
Publisher: Cengage Learning
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Textbook Question
Chapter 16, Problem 43SE
The following numbers are observations on tensile strength of synthetic fabric specimens selected from a production process at equally spaced time intervals. Construct appropriate control charts, and comment (assume an assignable cause is identifiable for any out-of- control observations).
1 | 51.3 | 51.7 | 49.5 |
2 | 51 | 50 | 49.3 |
3 | 50.8 | 51.1 | 49 |
4 | 50.6 | 51.1 | 49 |
5 | 49.6 | 50.5 | 50.9 |
6 | 51.3 | 52 | 50.3 |
7 | 49.7 | 50.5 | 50.3 |
8 | 51.8 | 50.3 | 50 |
9 | 48.6 | 50.5 | 50.7 |
10 | 49.6 | 49.8 | 50.5 |
11 | 49.9 | 50.7 | 49.8 |
12 | 49.6 | 48.4 | 50 |
13 | 49.8 | 51.2 | 49.7 |
14 | 50.4 | 49.9 | 50.7 |
15 | 49.4 | 49.5 | 49 |
16 | 50.7 | 49 | 50 |
17 | 50.8 | 49.5 | 50.9 |
18 | 48.5 | 50.3 | 49.3 |
19 | 49.6 | 50.6 | 49.4 |
20 | 50.9 | 49.4 | 49.7 |
21 | 54.1 | 49.8 | 48.5 |
22 | 50.2 | 49.6 | 51.5 |
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Check out a sample textbook solutionChapter 16 Solutions
Probability and Statistics for Engineering and the Sciences
Ch. 16.1 - A control chart for thickness of rolled-steel...Ch. 16.1 - Refer to Exercise 1 and suppose the ten most...Ch. 16.1 - Suppose a control chart is constructed so that the...Ch. 16.1 - A cork intended for use in a wine bottle is...Ch. 16.1 - If a process variable is normally distributed, in...Ch. 16.2 - In the case of known and , what control limits...Ch. 16.2 - Consider a 3-sigma control chart with a center...Ch. 16.2 - The table below gives data on moisture content for...Ch. 16.2 - Refer to the data given in Exercise 8, and...Ch. 16.2 - When installing a bath faucet, it is important to...
Ch. 16.2 - The accompanying table gives sample means and...Ch. 16.2 - The accompanying table gives sample means and...Ch. 16.2 - Prob. 13ECh. 16.2 - Prob. 14ECh. 16.2 - Prob. 15ECh. 16.3 - A manufacturer of dustless chalk instituted a...Ch. 16.3 - Subgroups of power supply units are selected once...Ch. 16.3 - Prob. 18ECh. 16.3 - The accompanying table gives sample means and...Ch. 16.3 - Prob. 20ECh. 16.4 - On each of the previous 25 days, 100 electronic...Ch. 16.4 - A sample of 200 ROM computer chips was selected on...Ch. 16.4 - Prob. 23ECh. 16.4 - Prob. 24ECh. 16.4 - Prob. 25ECh. 16.4 - Prob. 26ECh. 16.4 - Prob. 27ECh. 16.4 - Prob. 28ECh. 16.5 - Prob. 29ECh. 16.5 - Prob. 30ECh. 16.5 - The standard deviation of a certain dimension on...Ch. 16.5 - Prob. 32ECh. 16.6 - Consider the single-sample plan with c = 2 and n =...Ch. 16.6 - A sample of 50 items is to be selected from a...Ch. 16.6 - Prob. 35ECh. 16.6 - Develop a single-sample plan for which AQL = .02...Ch. 16.6 - Consider the double-sampling plan for which both...Ch. 16.6 - Prob. 38ECh. 16.6 - Refer to Example 16.11, in which a single-sample...Ch. 16.6 - Consider the single-sample plan that utilizes n =...Ch. 16 - Observations on shear strength for 26 subgroups of...Ch. 16 - The number of scratches on the surface of each of...Ch. 16 - The following numbers are observations on tensile...Ch. 16 - Prob. 44SECh. 16 - Prob. 46SE
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