Question: In the previous two problems we found the posterior distribution of the slope of y on x, the rate of weevil infestation for endophyte infected
In the previous two problems we found the posterior distribution of the slope of y on x, the rate of weevil infestation for endophyte infected and noninfected ryegrass. Let β1 be the slope for noninfected ryegrass, and let β2 be the slope for infected ryegrass

Data From Exercise 8

Data From Exercise 7

(a) Find the posterior distribution of 1 - 2. (b) Calculate a 95% credible interval for B1-B2. (c) Test the hypothesis Ho B1 B20 versus H 1 - B2 > 0 at the 10% level of significance.
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