We have to test whether diabetes has a protective effect on breast cancer incidence for adult females.
It is a two tailed hypothesis test because diabetes effect on breast cancer incidence can be positive or negative depending on the data.
Therefore, we can write our hypotheses as following
Null hypothesis:- diabetes has no significant protective effect on breast cancer incidence for adult females
Alternate hypothesis:- diabetes has a significant protective effect on breast cancer incidence for adult females
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