Question
1. Newborn weight. A study takes a SRS from a population of full-term infants. The standard deviation of birth weights in this population is 2
1.Newborn weight. A study takes a SRS from a population of full-term infants. The standard deviation of birth weights in this population is 2 pounds. Calculate 95% confidence intervals for for samples in which:
a)n = 81 and mean = 7.0 pounds
b)n = 9 and mean = 7.0 pounds
c)Which sample provides the most precise estimate of the mean birth weight?
d)Interpret the CI you computed in part a).
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Quantitative Analysis For Management
Authors: Barry Render, Ralph M. Stair, Michael E. Hanna
11th Edition
9780132997621, 132149117, 132997622, 978-0132149112
