EBK STATISTICS FOR BUSINESS & ECONOMICS
13th Edition
ISBN: 8220101456380
Author: Anderson
Publisher: CENGAGE L
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Textbook Question
Chapter 19.2, Problem 2E
Twenty-five samples, each of size 5, were selected from a process that was in control. The sum of all the data collected was 677.5 pounds.
- a. What is an estimate of the process
mean (in terms of pounds per unit) when the process is in control? - b. Develop the
samples of size 5 will be used. Assume that the process standard deviation is .5 when the process is in control, and that the mean of the process is the estimate developed in part (a).
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Activ
Determine compass error using amplitude (Sun).
Minimum number of times that activity should be performed: 3 (1 each phase)
Sample calculation (Amplitude- Sun):
On 07th May 2006 at Sunset, a vessel in position 10°00'N 010°00'W observed the Sun bearing 288°
by compass. Find the compass error.
LMT Sunset:
LIT:
(+) 00d
07d 18h
00h
13m
40m
UTC Sunset:
07d
18h
53m
(added- since longitude is westerly)
Declination (07d 18h):
N 016° 55.5'
d (0.7):
(+)
00.6'
Declination Sun:
N 016° 56.1'
Sin Amplitude = Sin Declination/Cos Latitude
= Sin 016°56.1'/ Cos 10°00'
= 0.295780189
Amplitude=W17.2N
(The prefix of amplitude is named easterly if body is rising,
and westerly if body is setting. The suffix is named same
as declination)
True Bearing=287.2°
Compass Bearing= 288.0°
Compass Error = 0.8° West
Chapter 19 Solutions
EBK STATISTICS FOR BUSINESS & ECONOMICS
Ch. 19.2 - A process that is in control has a mean of = 12.5...Ch. 19.2 - Twenty-five samples, each of size 5, were selected...Ch. 19.2 - Twenty-five samples of 100 items each were...Ch. 19.2 - A process sampled 20 times with a sample of size 8...Ch. 19.2 - Temperature is used to measure the output of a...Ch. 19.2 - A quality control process monitors the weight per...Ch. 19.2 - The Goodman Tire and Rubber Company periodically...Ch. 19.2 - Over several weeks of normal, or in-control,...Ch. 19.2 - An airline operates a call center to handle...Ch. 19.3 - For an acceptance sampling plan with n = 25 and c...
Ch. 19.3 - Consider an acceptance sampling plan with n = 20...Ch. 19.3 - Repeat exercise 11 for the acceptance sampling...Ch. 19.3 - Refer to the KALI problem presented in this...Ch. 19.3 - To inspect incoming shipments of raw materials, a...Ch. 19 - Samples of size 5 provided the following 20 sample...Ch. 19 - Product filling weights are normally distributed...Ch. 19 - Twenty-five samples of size 5 resulted in x = 5.42...Ch. 19 - The following are quality control data for a...Ch. 19 - The following were collected for the Master Blend...Ch. 19 - An insurance company samples claim forms for...Ch. 19 - Managers of 1200 different retail outlets make...Ch. 19 - An n = 10, c = 2 acceptance sampling plan is being...Ch. 19 - Prob. 24SE
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