ok. having a brain freeze can someone help. Which of the following is the explan

Question

ok. having a brain freeze can someone help.

Which of the following is the explanatory variable in this study? A. B. The income status of the children The length of time it takes a subject to graduate high chool Whether or not a subject graduates high school C. D. whether or not a subject attends preschool Question 6 A study seeks to answer the question, "Does Vitamin C level in the breast mälk of new mothers reduce the risk of allergies in their breastfed intants? The study concluded that high levels of vitamin C (measured in mgl were associated with a 30 percent lower risk of allergies in the infants In this scenarla, leve's of vitamin C (measured in milligrams)" is what type of variable? A. Categorical Quantitative

Explanation / Answer

Explonatory variable is a variable which can explain the quantity/quality of response variable. For example, if I want to predict the mark of a subjct which is obtain in your graduate. Than, "the length of the time it takes a subject to graduate high school" may take as a explanatory variable.

Hence, Ans is (B).

Question 6. Level of Vitamin C is measued in milligram. It is a continuous variable. So the answer of question is Quantitative, i.e., (B).

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