Stats: Data and Models (3rd Edition)

Published by Pearson
ISBN 10: 0321692551
ISBN 13: 978-0-32169-255-9

Chapter 2 - Data - Exercises: 17

Answer

Who: 882 births; Cases: Each of the 882 births is a case; What: Mother’s age, length of pregnancy, type of birth, level of prenatal care, birth weight of baby, sex of baby, and baby’s health problems; When: 1998–2000; Where: Large city hospital; Why: Researchers were investigating the impact of prenatal care on newborn health; How: Not specified exactly, but probably from hospital records; Variable: Mother’s age; Type: Quantitative; Units: Not specified, probably years; Variable: Length of pregnancy; Type: Quantitative; Units: Weeks; Variable: Birth weight of baby; Type: Quantitative; Units: Not specified, probably pounds and ounces; Variable: Type of birth; Type: Categorical; Variable: Level of prenatal care; Type: Categorical; Variable: Sex; Type: Categorical; Variable: Baby’s health problems; Type: Categorical

Work Step by Step

Who: 882 births; Cases: Each of the 882 births is a case; What: Mother’s age, length of pregnancy, type of birth, level of prenatal care, birth weight of baby, sex of baby, and baby’s health problems; When: 1998–2000; Where: Large city hospital; Why: Researchers were investigating the impact of prenatal care on newborn health; How: Not specified exactly, but probably from hospital records; Variable: Mother’s age; Type: Quantitative; Units: Not specified, probably years; Variable: Length of pregnancy; Type: Quantitative; Units: Weeks; Variable: Birth weight of baby; Type: Quantitative; Units: Not specified, probably pounds and ounces; Variable: Type of birth; Type: Categorical; Variable: Level of prenatal care; Type: Categorical; Variable: Sex; Type: Categorical; Variable: Baby’s health problems; Type: Categorical
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