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 16.2, Problem 11E
The accompanying table gives sample means and standard deviations, each based on n = 6 observations of the refractive index of fiber-optic cable. Construct a control chart, and comment on its appearance. [Hint:
Day |
|
s |
1 | 95.47 | 1.3 |
2 | 97.38 | 0.88 |
3 | 96.85 | 1.43 |
4 | 96.64 | 1.59 |
5 | 96.87 | 1.52 |
6 | 96.52 | 1.27 |
7 | 96.08 | 1.16 |
8 | 96.48 | 0.79 |
9 | 96.63 | 1.48 |
10 | 96.5 | 0.8 |
11 | 97.22 | 1.42 |
12 | 96.55 | 1.65 |
13 | 97.02 | 1.28 |
14 | 95.55 | 1.14 |
15 | 96.29 | 1.37 |
16 | 96.8 | 1.4 |
17 | 96.01 | 1.58 |
18 | 95.39 | 0.98 |
19 | 96.58 | 1.21 |
20 | 96.43 | 0.75 |
21 | 97.06 | 1.34 |
22 | 98.34 | 1.6 |
23 | 96.42 | 1.22 |
24 | 95.99 | 1.18 |
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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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