Four brands of fertilizer were evaluated. Each brand was applied to each six plots of land containing soils of different types. Percentage increases in corn yields were then measured for the 24 brand-soil-type combinations. The results obtained are summarized in the accompanying table.Source of Variation Sum of SquaresBetween fertilizers 135.6Between soil types 81.7Error 111.3a. Complete the analysis of variance table.b. Test the null hypothesis that population mean yield increases are the same for the four fertilizers.c. Test the null hypothesis that population mean yield increases are the same for the six soil types.
Four brands of fertilizer were evaluated. Each brand was applied to each six plots of land containing soils of different types. Percentage increases in corn yields were then measured for the 24 brand-soil-type combinations. The results obtained are summarized in the accompanying table.Source of Variation Sum of SquaresBetween fertilizers 135.6Between soil types 81.7Error 111.3a. Complete the analysis of variance table.b. Test the null hypothesis that population mean yield increases are the same for the four fertilizers.c. Test the null hypothesis that population mean yield increases are the same for the six soil types.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Four brands of fertilizer were evaluated. Each brand was applied to each six plots of land containing soils of different types. Percentage increases in corn yields were then measured for the 24 brand-soil-type combinations. The results obtained are summarized in the accompanying table.
Source of Variation Sum of Squares
Between fertilizers 135.6
Between soil types 81.7
Error 111.3
a. Complete the analysis of variance table.
b. Test the null hypothesis that population mean yield increases are the same for the four fertilizers.
c. Test the null hypothesis that population mean yield increases are the same for the six soil types.
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