with r code and output please

1.2 Case Study: Birth Weights of Babies The birth weight of a baby is of interest to health officials since many stud- ies have shown possible links between th' weight and conditions in later life, such as obesity or diabetes. Researchers look for possible relationships between the birth weight of a baby and the age of the mother or whether or not she smoked cigarettes or drank alcohol during her pregnancy. The Centers for Dis- ease Control and Prevention (CDC) maintains a database on all babies born in a given year (http://wonder.cdc.govatality-current.html), incorporating data provided by the US Department of Health and Human Services, the National Center for Health Statistics, and the Division of Vital Statistics. We will inves- tigate different samples taken from the CDC's database of births. One data set that we will investigate consists of a random sample of 1009 babies born in North Carolina during 2004 (Table 1.3). The babies in the sample Table 1.3 Variables in data set NCBirths2004. Variable Description Age Tobacco Gender Weight Gestation Mother's age Mother used tobacco? Gender of baby Weight at birth (grams) Gestation time (weeks) had a gestation period of at least 37 weeks and were single births (i.e. not a twin or triplet). In addition, we will also investigate a data set, Girls2004, consisting of WEERS) had a gestation period of at least 37 weeks and were single births (i.e. not a twin or triplet). In addition, we will also investigate a data set, Girls2004, consisting of a random sample of 40 baby girls born in Alaska and 40 baby girls born in Wyoming. These babies also had a gestation period of at least 37 weeks and were single births. The data set TXBirths2004 contains a random sample of 1587 babies born in Texas in 2004. In this case, the sample was not restricted to single births, nor to a gestation period of at least 37 weeks. The numeric variable Number indicates whether the baby was a single birth, or one of a twin, triplet, and so on. The variable Multiple is a factor variable indicating whether or not the baby was a multiple birth. 1.2 Case Study: Birth Weights of Babies The birth weight of a baby is of interest to health officials since many stud- ies have shown possible links between th' weight and conditions in later life, such as obesity or diabetes. Researchers look for possible relationships between the birth weight of a baby and the age of the mother or whether or not she smoked cigarettes or drank alcohol during her pregnancy. The Centers for Dis- ease Control and Prevention (CDC) maintains a database on all babies born in a given year (http://wonder.cdc.govatality-current.html), incorporating data provided by the US Department of Health and Human Services, the National Center for Health Statistics, and the Division of Vital Statistics. We will inves- tigate different samples taken from the CDC's database of births. One data set that we will investigate consists of a random sample of 1009 babies born in North Carolina during 2004 (Table 1.3). The babies in the sample Table 1.3 Variables in data set NCBirths2004. Variable Description Age Tobacco Gender Weight Gestation Mother's age Mother used tobacco? Gender of baby Weight at birth (grams) Gestation time (weeks) had a gestation period of at least 37 weeks and were single births (i.e. not a twin or triplet). In addition, we will also investigate a data set, Girls2004, consisting of WEERS) had a gestation period of at least 37 weeks and were single births (i.e. not a twin or triplet). In addition, we will also investigate a data set, Girls2004, consisting of a random sample of 40 baby girls born in Alaska and 40 baby girls born in Wyoming. These babies also had a gestation period of at least 37 weeks and were single births. The data set TXBirths2004 contains a random sample of 1587 babies born in Texas in 2004. In this case, the sample was not restricted to single births, nor to a gestation period of at least 37 weeks. The numeric variable Number indicates whether the baby was a single birth, or one of a twin, triplet, and so on. The variable Multiple is a factor variable indicating whether or not the baby was a multiple birth