Researchers watched groups of dolphins off the coast of Ireland in 1998 to determine what activities the dolphins partake in at certain times of the day ("Activities of dolphin," 2013).The numbers in table #11.1.6 represent the number of groups of dolphins that were partaking in an activity at certain times of days.Is there enough evidence to show that the activity and the time period are independent for dolphins?Test at the 1% level.

Table #11.1.6: Dolphin Activity

Period Row

Activity Morning Noon Afternoon Evening Total

Period

Travel 6 6 14 13 39

Feed 28 4 0 56 88

Social 38 5 9 10 62

Column Total 72 15 23 79 189