Sea star wasting disease kills sea stars (i.e., starfish) and has no known cause. It is currently a major problem on the West Coast and many sea stars are infected and dying. Consider a study in which a researcher is interested in whether susceptibility varies between the species. He travels to a site known to show wasting and counts the numbers of healthy and wasting individuals from three different species. His data is shown in the histogram below.
-To determine whether there appears to be a statistically significant relationship between species and prevalence of wasting disease he would conduct a χ2 analysis. After performing this analysis, which of the ranges below best describes the P value he would obtain?
A) P > 0.05
B) 0.05 > P > 0.025
C) 0.025 > P > 0.01
D) P < 0.01
Correct Answer:
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