MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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An agricultural experiment considered the effects of K2O (potash) on the breaking strength of cotton fibers. Five K2O levels were used (36, 54, 72, 108, 144 lbs/acre). A sample of cotton was taken from each plot, and a strength measurement was taken.

a. Complete the ANOVA table

b. Test if there is difference between the mean strength based on Potash levels.

K2O Ibs/acre
Cotton Sample
36
54
72
108
144
1
7.62
8.14
7.76
7.17
7.46
8.00
8.15
7.73
7.57
7.68
3
7.93
7.87
7.74
7.80
7.21
2.
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Transcribed Image Text:K2O Ibs/acre Cotton Sample 36 54 72 108 144 1 7.62 8.14 7.76 7.17 7.46 8.00 8.15 7.73 7.57 7.68 3 7.93 7.87 7.74 7.80 7.21 2.
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