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The purpose of a study was to examine the relationship between type of marine snail (periwinkles, topshells) and habitat (in the water of rock pools, on bare rock, on seaweed). The data collected included information concerning snail type and habitat.

A table of counts of snails classified by type and habitat is provided:

Habitat
Snail type Water of rock pool On bare rock On Seaweed
Periwinkle 219 145 53
Topshells 443 169 39

Report the test statistic and p-value.

What is your decision and conclusion?

State any assumptions you have made. Are these assumptions satisfied with these data?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9401085

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