Intro to Statistics Quiz 2
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Question 1 of 3
1. Question
Using a cutoff of .05, which of these interpretations is correct for a p-value of .002? Select all that apply
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Question 2 of 3
2. Question
You are running a statistical analyses on several populations of American Snapping Turtle. You are looking to see if the average size of adult males (measured in kilograms) is affected by pond size (measured in square kilometers) and/or average annual rainfall. Your test for pond size results in a p value of .0003, while annual rainfall provides a p value of .04. To understand your data more, you calculate a Cohen’s D value for each variable separately. You find that pond size gives a Cohens D of 1.5, while annual rainfall gives a Cohens D of .23.
How would you interpret these results?
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Question 3 of 3
3. Question
You are designing a study to see how Manta Ray feeding behavior is influenced by recreational fishing. You measure feeding behavior as time spent feeding, while for recreational fishing you measure the number of fishers in a 200 meter radius from the Manta Ray feeding event.
You run a statistical analysis and find a p-value of .15. You decide to also calculate a Cohen’s D and receive a value of .2. How would you interpret these results?
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