NAME:  Puffin Breeding Success
TYPE:  Sample
SIZE:  38 observations, 5 variables

DESCRIPTIVE ABSTRACT:
 In the article "Breeding Success of the Common Puffin on Difference
 Habitats at Great Island, Newfoundland", 4 variables where considered
 in trying to describe the nesting frequency.

SOURCES:
 Devore J and Peck R (2005).  Statistics: The Exploration and Analysis
 of Data, 5th edition.  Problem 14.60.

 Nettleship DN (1972).  Breeding Success of the Common Puffin
 (Fratercula arctica L.) on Different Habitats at Great Island,
 Newfoundland.  Ecological Monographs, Vol. 42, No. 2. (Spring, 1972),
 pp. 239-268.

VARIABLE DESCRIPTIONS:

 1. Nesting frequency - number of burrows per 9 m^2 (nesting)
 2. Grass cover percentage (grass)
 3. Mean soil depth in cm (soil)
 4. Angle of slope in degrees (angle)
 5. Distance from cliff edge in m (distance)