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According to a recent study of nearly 140,000 women who were enrolled in the Women's Health Initiative, women who breast-fed their babies had a lower risk of developing heart disease and diabetes later in life than women who did not breast-feed their babies. These research findings are an example of______

Answer :

These research findings are an example of correlation

Explanation:

The relation between two  or more variables can be determined with the correlation. This is used for the determination of the association between two or more variables. The results that is obtained from correlation  may be positive, negative or no relation. When both the variables that is taken into consideration either increase or decrease at the same instance then it is said to be positively correlated.

When one variable increase the other variable decreases and this is said to be a negative correlation. When there exists no relation between the considered variables then it is said to have zero correlation. In the example give, the association between the women who breast-fed their babies  and who were not is studies. Hence this is an example of correlation.  

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