Answered: Distance (in.) Speed Distance (in.)…

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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Question

Industrial experiment Engineers at a computer produc-
tion plant tested two methods for accuracy in drilling

holes into a PC board. They tested how fast they could
set the drilling machine by running 10 boards at each of
two different speeds. To assess the results, they measured
the distance (in inches) from the center of a target on the
board to the center of the hole. The data and summary
statistics are shown in the table:

Write a report summarizing the findings of the experi-
ment. Include appropriate visual and verbal displays of

the distributions, and make a recommendation to the
engineers if they are most interested in the accuracy of
the method.

Distance (in.) Speed
Distance (in.) Speed
0.000101
Fast
0.000098
Slow
0.000102
Fast
0.000096
Slow
0.000100
Fast
0.000097
Slow
0.000102
Fast
0.000095
Slow
0.000101
Fast
0.000094
Slow
0.000103
Fast
0.000098
Slow
0.000104
Fast
0.000096
Slow
0.000102
Fast
0.975600
Slow
0.000102
Fast
0.000097
Slow
0.000100
Fast
0.000096
Slow
Mean
0.000102
Mean
0.097647
StdDev
0.000001
StdDev
0.308481

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