A small study ( n = 10) is designed to assess whether there is an association between
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Question:
A small study (n = 10) is designed to assess whether there is an association between smoking in pregnancy and low birth weight. Low-birth-weight babies are those born weighing <5.5 pounds. The following data represent the birth weights, in pounds, of babies born to mothers who reported smoking in pregnancy and to those who did not.
Mother smoked during pregnancy | 5.0 | 4.2 | 4.8 | 3.3 | 3.9 |
The mother did not smoke during pregnancy | 5.1 | 4.9 | 5.3 | 5.4 | 4.6 |
Is there a significant difference in birth weights between mothers who smoked during pregnancy and those who did not? Run the appropriate test at a 5% level of significance.
Related Book For
Introduction to Statistical Investigations
ISBN: 978-1118922002
1st edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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