For each of the following research questions, state the following Null hypothesis (2-sided) Alternative hypothesis (2-sided) Y variable and whether it’s numerical or categorical X variable and whether it’s numerical or categorical Unit of replication (upon which each ‘observation’ is taken) Statistical test you’d use to test your hypotheses Does the thickness of an elephant’s first left molar predict its age?
Added by Tiffany M.
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Alternative hypothesis: There is a relationship between the thickness of an elephant's first left molar and its age. Show more…
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