Levels of well-nourished and undernourished

Reference no: EM13965262

In order to compare the mean hemoglobin (Hb) levels of well-nourished and undernourished groups of children, random samples from each of these groups yielded the following summary.

	Number of Children	Sample Mean	Sample Standard Deviation
Well nourished	95	11.2	0.9
Undernourished	75	9.8	1.2

Construct a 95% con?dence interval for the true difference of means, μ1 - μ2.

Reference no: EM13965262

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