A plant physiologist investigated the effect of flooding on root metabolism in two tree species: flood-tolerant river...

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A plant physiologist investigated the effect of flooding on rootmetabolism in two tree

species: flood-tolerant river birch and the intolerant Europeanbirch. Four seedlings of

each species were flooded for one day, and four were used ascontrols. The concentration

of adenosine triphosphate (ATP) in the roots of each plant wasmeasured. The data (nmol

ATP per mg tissue) as shown in the table.

River birch European Birch

Flooded Control Flooded Control  

1.45

1.700.211.34
1.192.040.580.99
1.051.490.111.17
1.071.910.271.30
Mean1.191.7850.29251.20

For these data, SS(species of birch)=2.19781,SS(flooding)=2.25751, SS(interaction)=0.097656,

and SS(within)=0.47438.

i. Construct the ANOVA table, include p-values.

iii. What is the F test statistic and its degrees of freedom fortesting that species has no

effect on ATP concentration?

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