2. The effect of two factors---per-chamber volume ratio (V) and injection timing (T) on the parts per million of noxious gas emitted from an engine was studied. The volume ratio was set at three equi-spaced levels and the time was set at three equi-spaced levels. Two engines were built for each of the nine treatment combinations and the amount of the gas emitted was recorded for the 18 engines as shown in the Table. Time Volume (T) Low Medium High Short 6.27 8.08 7.34 5.43 Medium| 6.94 6.51 8.04 7.87 7.48 8.61 7.52 8.32 Long 7.22 8.65 9.02 7.05 8.97 9.07 a) Test the effect of volume b) Test the effect of time c) Test the effect of the interaction
2. The effect of two factors---per-chamber volume ratio (V) and injection timing (T) on the parts per million of noxious gas emitted from an engine was studied. The volume ratio was set at three equi-spaced levels and the time was set at three equi-spaced levels. Two engines were built for each of the nine treatment combinations and the amount of the gas emitted was recorded for the 18 engines as shown in the Table. Time Volume (T) Low Medium High Short 6.27 8.08 7.34 5.43 Medium| 6.94 6.51 8.04 7.87 7.48 8.61 7.52 8.32 Long 7.22 8.65 9.02 7.05 8.97 9.07 a) Test the effect of volume b) Test the effect of time c) Test the effect of the interaction
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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2. The effect of two factors---per-chamber volume ratio (V) and injection timing
(T) on the parts per million of noxious gas emitted from an engine was
studied. The volume ratio was set at three equi-spaced levels and the time was
set at three equi-spaced levels. Two engines were built for each of the nine
treatment combinations and the amount of the gas emitted was recorded for
the 18 engines as shown in the Table.
Time
Volume
(T)
Low
Medium High
7.34
7.87
Short
6.27
8.08
5.43
8.04
Medium 6.94
7.48
8.61
6.51
7.52
8.32
Long
7.22
8.65
9.02
7.05
8.97
9.07
a) Test the effect of volume
b) Test the effect of time
c) Test the effect of the interaction
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