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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.
- 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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Dynamical Systems With Applications Using MATLAB®
Authors: Stephen Lynch
2nd Edition
3319068202, 9783319068206
