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In a survey conducted in Italy, physicians with different specialities were questionedregarding the surgical treatment of early breast cancer.
In a survey conducted in Italy, physicians with different specialities were questionedregarding the surgical treatment of early breast cancer. In particular,they were asked whether they would recommend radical surgery regardless of apatient’s age (R), conservative surgery only for younger patients (CR), or conservativesurgery regardless of age (C). The results of this survey are presentedin Table 1.
(a) at the 0.05 level of significance, test the null hypothesis thatthere is no association between physician specialty and recommended treatment.
(b) What do you conclude?