Newborn weight. A study reports that the mean birth weight of 81 full-term infants is 6.1 pounds.

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Newborn weight. A study reports that the mean birth weight of 81 full-term infants is 6.1 pounds. The study also reports “SE = 0.22 pounds.”

(a) What is the margin of error of this estimate for 95% confidence?

(b) What is the 95% confidence interval for μ?

(c) What does it mean when we say that we have 95% confidence in the interval?

(d) Recall that . Rearrange this equation to solve for σ.
What was the standard deviation of birth weights in this population?

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Basic Biostatistics Statistics For Public Health Practice

ISBN: 9781284067583

2nd Edition

Authors: B.Burt Gerstman

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Question Posted: Sep 05, 2024 03:05 AM

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Newborn weight. A study reports that the mean birth weight of 81 full-term infants is 6.1 pounds.

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Basic Biostatistics Statistics For Public Health Practice

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