Twin Births Twin Births 1995-1997 (In Thousands) Term or Preterm with Preterm without procedures 14 Level of Total procedures 16 post-term 22 Prenatal Care 52 Intensive 46 42 67 155 Adequate Inadequate 14 40 68 14 70 129 275 Total 76 Print Done
Twin Births Twin Births 1995-1997 (In Thousands) Term or Preterm with Preterm without procedures 14 Level of Total procedures 16 post-term 22 Prenatal Care 52 Intensive 46 42 67 155 Adequate Inadequate 14 40 68 14 70 129 275 Total 76 Print Done
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A medical publication published a study that examined pregnancies that resulted in the birth of twins. Births were classified as preterm with intervention procedures, preterm without procedures, or term/post-term. They were also classified by the level of prenatal medical care the mother received (inadequate, adequate, or intensive). The data are summarized in the accompanying table (figures are in thousands of births). Complete parts a through e below.
a) What percent of these mothers received inadequate medical care during their pregnancies?
___________%
(Round to two decimal places as needed.)
b) What percent of all twin births were preterm?
__________%
(Round to two decimal places as needed.)
c) Among the mothers who received inadequate medical care, what percent of the twin births were preterm?
______________%
(Round to two decimal places as needed.)
d) Create an appropriate graph comparing the outcomes of these pregnancies by the level of medical care the mother received
e) Describe the association between these two variables.
Increasing levels of medical care appears to be associated with an increase in the proportion of term/post-term pregnancies.
Increasing levels of medical care appears to be associated with a decrease in the proportion of term/post-term pregnancies.
The distribution of the pregnancy term is roughly the same for all three treatment levels.
There does not appear to be a systematic relationship between the two variables.
Transcribed Image Text:Twin Births
Twin Births 1995-1997 (In Thousands)
Term or
Level of
Preterm with Preterm without
Total
Prenatal Care
Intensive
procedures
14
post-term
22
procedures
52
16
46
42
67
155
Adequate
Inadequate
14
14
40
68
76
70
129
275
Total
Print
Done
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