Background: Digoxin congestive heart failure. is a commonly treating domestic ca

Question

Background: Digoxin congestive heart failure. is a commonly treating domestic cats suffering from extremely useful Its primary benefit is used medication for While digoxin can be an and to help the heart les contract. negligible, medication, the difference therapeutic dosage and a toxic dosage can be between a overdoses frequently occur as it is difficult to estimate Researchers conducted a study adult domestic cats (heavier than a body weight of 2 kilograms) symptoms of failure. that died from of congestive h objective: The first goal is for a positive association between the two variables, body weight and heart weight. The second to test heart weight when the body weight is given goal is to predict the unknown wnload cats.csv. It male cats, so our inference is limited to the gender. is a sample of 97 Data: ID Bwt Hwt 1 2.0 6.5 2 2.0 6.5 97 3.9 20.5 dentify the explanatory variable and the response variable. (Hint: Do the researchers want to explain a. heart by body weight, or do they want to explain body weight by heart weight?) weight Unit Explanatory or response Variable Heart weight Gr Body weight kilograms

Explanation / Answer

a)

Both the variables can be classified as an Explanatory variable because the researchers are not certain about any of them being an independent variable and any one being a dependent. They are only trying to find a relationship.

b)

The answer is b, statement a is true. We cannot conclude that the model is wrong due to negative value of beta.

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