Answered: Twin Births Twin Births 1995-1997 (In…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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.