Question: In towns A, B, C, D, and E the prevalence of appendectomies is 2.1%, 2.9%, 3.1%, 3.8%, and 3.9%. i) Calculate the coefficient of variation

In towns A, B, C, D, and E the prevalence of appendectomies is 2.1%, 2.9%, 3.1%, 3.8%, and 3.9%.

i) Calculate the coefficient of variation for these 5 towns.

ii) According to Phelps is there agreement among surgeons on the marginal benefit of appendectomies across these towns.Explain.

iii) Town F is added to the study and has a prevalence of appendectomies of 3.2%. Calculate the coefficient of variation for these 6 towns.

iv) Does this change your answer to ii) above?

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