(Solved by Humans)-A public health researcher is investigating the factors that
Question
A public health researcher is investigating the factors that affect child birth weight. She collects data on 1651 child birth weights and runs a regression using OLS. The results are shown below:
(1) Calculate the predicted birth weight of a female child born from a 31 years old mother and a 35 years old father. The mother reported smoking an average of 6 cigarettes per day and had a total of 8 prenatal visits to the hospital.
(2) In the above model, what is the purpose of introducing the variable?npvissq? alongside the variable ?npvis?? Perform appropriate calculationsto explain what information can be obtained from the estimated coefficienton these variables.
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