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For the following, indicate what type of analysis (test) you would perform and what alternative hypothesis...

For the following, indicate what type of analysis (test) you would perform and what alternative hypothesis you are testing. If you think a directional test is appropriate, make sure you incorporate this in the alternative hypothesis. In your answer, please indicate 2 things: the type of analysis AND the alternative hypothesis

Important: You may not know how to do the correct analysis. If this is the case, simply write “talk to a statistician” or “I wasn't taught this” as the “Type of analysis” and do not provide an alternative hypothesis.

You measure both length and width of three species of barnacle. You are trying to figure out if there is a difference between these three species. You measure 22 barnacles of type “A”, 17 of type “B”, and 13 of type “C”. Using only a single analysis, how would you proceed?

Math   Statistics-And-Probability   
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Answer #1

ANSWER::

Type of analysis:
We would be conducting a one-way ANOVA F test to check whether the mean length and width of the three species are significantly different or not.
Alternative hypothesis:
Our alternative hypothesis would be that the mean length and width of the three species are indeed significantly different from one another.

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