1.1  ONE-FACTOR MODEL Y = A + e


Data for Figure 9(a):

Ingestion rate	Prey density
0.2500		0.1136
0.1250		0.0833
0.0833		0.0625
0.0625		0.0592
0.0500		0.0500
0.0417		0.0458
0.0357		0.0357
0.0313		0.0339
0.0278		0.0302
0.0250		0.0255


Data for Figure 9(b), where x = 1/{ingestion rate} and y = 1/{prey density}:

X	Y
 4.00	 8.80
 8.00	12.00
12.00	16.00
16.00	16.88
20.00	20.00
24.00	21.83
28.00	28.00
32.00	29.53
36.00	33.13
40.00	39.29


Analysis of response Y (item-item interval) to the term X (area per item),
declaring term: X

Model 1.1(ii) X is a covariate of the response:

  Source   DF       SS      MS       F      P
1 X         1   835.74  835.74  386.74 <0.001
2 Residual  8    17.29    2.16 
  Total     9   853.02


__________________________________________________________________

Doncaster, C. P. & Davey, A. J. H. (2007) Analysis of Variance and
Covariance: How to Choose and Construct Models for the Life Sciences.
Cambridge: Cambridge University Press.
http://www.southampton.ac.uk/~cpd/anovas/datasets/