Question

They station you on the small island of Motiti, home to an endangered subspecies of kiwi. Unfortunately predatory cats and dogs have established feral populations on Motiti and the kiwi population there is in dramatic decline. Your task is to determine if canids or felids are equally destructive, or whether one or the other is more responsible for preying on kiwis. Because Motiti Island is small, you conduct a survey every day for a month, locating the remains of recently killed kiwis and recording which family of exotic mammal was responsible for the kill. Here are your data:

# kiwis killed by cats= 12

# kiwis killed by dogs= 28

Hypothesis:

Prediction:

Null hypothesis (H₀):

Statistical test used:

One-sentence statistical conclusion (Make sure you specifically state any significant differences and include you calculated test-statistic value, DF, and your p-value parenthetically; ex: (t/r/chi-sq. =..., DF = …, p = …):

Answer 1