In order to compare the mean hemoglobin (Hb) levels of well-nourished and undernourished groups of children, random
Question:
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.
Construct a 95% confidence interval for the true difference of means, μ1 – μ2.
Transcribed Image Text:
Number of Children Sample Sample Standard Well nourished 95 Undernourished75 Mean 11.2 9.8 Deviation 0.9 1.2
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n 95 n 75 x 112 x 98 5 09 s 12 C 95 Since n and n 30 by large samp...View the full answer
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Related Book For
Mathematical Statistics With Applications In R
ISBN: 9780124171138
2nd Edition
Authors: Chris P. Tsokos, K.M. Ramachandran
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