A study of iron deficiency in infants compared samples of infants following different feeding regimens. Here are the summary results on hemoglobin levels at 12 months of age for two samples of infantsGroupnxsBreast-fed2313.31.7Formula1912.41.8 Is there significant evidence that the mean hemoglobin level is higher among breast-fed babies?a. State the null and alternativeb. Give the p-valuec. Give a conclusion for the hypothesis test.

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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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A study of iron deficiency in infants compared samples of infants following different feeding regimens. Here are the summary results on hemoglobin levels at 12 months of age for two samples of infants

Group	n	x	s
Breast-fed	23	13.3	1.7
Formula	19	12.4	1.8

Is there significant evidence that the mean hemoglobin level is higher among breast-fed babies?

a. State the null and alternative

b. Give the p-value

c. Give a conclusion for the hypothesis test.

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