Homework Answers
Answer ; there is negative association between not using Ca suplement and breast cancer.
Reason ; In the given study, the result shows that there are 75 person who do no take any Ca supplement and having the breast cancer and 25 person do not have these disease condition without taking any supplement.
In other statement it is given that, there 25 people who had this disaese even though they had Ca supplement and 75 person who was normal and in control with this supplement.
From the study it is known that the usage of this supplement will control the disease rate to an extent and the numbers are increased in one area and get decreased in opposite to them. It is not in a same direction. Hence it is considered as negative relation within them.
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control study and the 95% CI...
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