Question
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
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.
Activity: Morning
Travel: 6
Feed: 28
Social: 38
Column 1 Total : 72
Activity: Noon
Travel: 6
Feed: 4
Social: 5
Column 2 Total: 15
Activity: Afternoon
Travel: 14
Feed: 0
Social: 9
Column 3 Total: 23
Activity: Evening
Travel: 13
Feed: 56
Social: 10
Column 4 Total: 79
Total
Travel: 39
Feed: 88
Social: 72
Column Total: 189
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Probability and Random Processes With Applications to Signal Processing and Communications
Authors: Scott Miller, Donald Childers
2nd edition
123869811, 978-0121726515, 121726517, 978-0130200716, 978-0123869814
