Lalli geographer is interested in examining possible difference in the average moisture in four different types of soil. To explore this hypothesis, he took 10 samples for each type of soil and measured the moisture. Lalli is good in statistics and he decided to apply analysis of variance to the data. He had begun fill out the ANOVA-table but did not finish it.
Lalli geographer is interested in examining possible difference in the average moisture in four different types of soil. To explore this hypothesis, he took 10 samples for each type of soil and measured the moisture. Lalli is good in statistics and he decided to apply analysis of variance to the data. He had begun fill out the ANOVA-table but did not finish it.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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
Transcribed Image Text:Exercise 1
Lalli geographer is interested in examining possible difference in the average moisture in four
different types of soil. To explore this hypothesis, he took 10 samples for each type of soil and
measured the moisture. Lalli is good in statistics and he decided to apply analysis of variance to
the data. He had begun fill out the ANOVA-table but did not finish it.
Sums of squares Degrees of freedom Mean squares
Between groups
93.85
XX
XX
Within groupS
XX
XX
XX
Total
290.67
XX
a) Make an ANOVA table in the exam book and finish filling in the blanks (marked with xx).
b) 12% Carry out appropriate hypothesis tests to verify Lallis hypothesis. What conclusion can
he draw (use a = 0.05)? Show all the 6 steps.
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