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An agronomist is interested in comparing the efficacy of two fumigants (A and B) and a control (O) in eliminating wireworms. A field is divided into 4 sections, each section containing 3 plots. Fumigant A, B and O were randomly assigned to one plot within each section. The number of wireworms that remained on each plot after application of fumigant was recorded.   Discuss the result of the post-hoc analysis

An agronomist is interested in comparing the efficacy of two fumigants (A and B) and a control (O) in eliminating wireworms. A field is divided into 4 sections, each section containing 3 plots. Fumigant A, B and O were randomly assigned to one plot within each section. The number of wireworms that remained on each plot after application of fumigant was recorded.   Discuss the result of the post-hoc analysis

MATLAB: An Introduction with Applications
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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An agronomist is interested in comparing the efficacy of two fumigants (A and B) and a control (O) in eliminating wireworms. A field is divided into 4 sections, each section containing 3 plots. Fumigant A, B and O were randomly assigned to one plot within each section. The number of wireworms that remained on each plot after application of fumigant was recorded.  

Discuss the result of the post-hoc analysis.

Post Hoc Comparisons - fumigant Comparison fumigant fumigant Difference SE df t Prukey A - B 1.50 2.01 0.745 6.00 0.748 A 9.50 2.01 4.717 6.00 0.008 B 11.00 2.01 5.462 6.00 0.004 Post Hoc Comparisons - section Comparison section section Difference SE t df Prukey 1 - 2 2.67 2.33 1.15 6.00 0.677 1 3 2.67 2.33 1.15 6.00 0.677 1 -3.63e-16 2.33 -1.56e-16 6.00 1.000 2 3 -3.55e-15 2.33 -1.53e-15 6.00 1.000 2 4 -2.67 2.33 -1.15 6.00 0.677 4 -2.67 2.33 -1.15 6.00 0.677
Transcribed Image Text:Post Hoc Comparisons - fumigant Comparison fumigant fumigant Difference SE df t Prukey A - B 1.50 2.01 0.745 6.00 0.748 A 9.50 2.01 4.717 6.00 0.008 B 11.00 2.01 5.462 6.00 0.004 Post Hoc Comparisons - section Comparison section section Difference SE t df Prukey 1 - 2 2.67 2.33 1.15 6.00 0.677 1 3 2.67 2.33 1.15 6.00 0.677 1 -3.63e-16 2.33 -1.56e-16 6.00 1.000 2 3 -3.55e-15 2.33 -1.53e-15 6.00 1.000 2 4 -2.67 2.33 -1.15 6.00 0.677 4 -2.67 2.33 -1.15 6.00 0.677
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