Activities of Dolphin Groups

Keywords: contingency table

Description

Groups of dolphins were observed off the coast of Iceland near Keflavik in 1998. The data here give the time of the day and the main activity of the group, whether travelling quickly, feeding or socializing. The dolphin groups varied in size - usually feeding or socializing groups were larger than travelling groups.


	Variable		Description

	Activity		Main activity of group: travelling (Travel), feeding (Feed) or socializing (Social)
	Period		Time of the day: Morning, Noon, Afternoon or Evening
	Groups		Number of groups observed

Download

Data File (tab-delimited text)

Source

Marianne Rasmussen, Department of Biology, University of Southern Denmark, Odense, Denmark.

Analysis

The behaviour patterns are different at different times of the day.