A producer of coffee, bags coffee beans with a net weight of 4 oz. The machine that fills the bags with coffee is new and the operations manager wants to ensure that it is prope range produces the following information (measured in oz):
A producer of coffee, bags coffee beans with a net weight of 4 oz. The machine that fills the bags with coffee is new and the operations manager wants to ensure that it is prope range produces the following information (measured in oz):
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A producer of coffee, bags coffee beans with a net weight of 4 oz. The machine that fills the bags with coffee is new and the operations manager wants to ensure that it is properly adjusted. Taking, n = 8 sample bags off the line and recording the average and the
range produces the following information (measured in oz):
i. Calculate the control limits for this process (mean and range charts)
ii. Graph the sample data for both the X-bar and R-bar charts.
iii. Explain if this machine is adjusted and in control?
iv. Estimate the standard deviation of the process,
ô
SAMPLE
A
B
C
D
E
F
G
H
Sample Sample
Range Average
0.41
4.00
0.55 4.16
0.44
3.99
0.48
4.00
0.56
4.17
0.62
3.93
0.54
3.98
0.44
4.01
Table 1
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