Here are summary statistics for randomly selected weights of newborn girls: n = 192, X=26.5 hg,...

Here are summary statistics for randomly selected weights of newborn girls: n = 192, X=26.5 hg, S= 7.1 Construct a confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the confidence interval 24.4 hg < U < 28.0 hg with only 19 sample values, X= 26.2 hg, and S= 2.7 Hg?

What is the confidence interval for the population mean ? ? ___hg < U< ___ hg

Expert Solution

n = 192, X=26.5 hg, S= 7.1 Construct a confidence interval estimate of the mean. Use a 99% confidence level

What is the confidence interval for the population mean ? ?

25.2 hg < U< 27.8 hg

. Are these results very different from the confidence interval 24.4 hg < U < 28.0 hg with only 19 sample values, X= 26.2 hg, and S= 2.7 Hg?

No, because the confidence interval limits are similar.

milcah answered 1 year ago

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