Here are summary statistics for randomly selected weights of newborn? girls: n equals = 229 229?,...

Here are summary statistics for randomly selected weights of newborn? girls: n equals = 229 229?, x overbar x equals = 27.3 27.3 ?hg, s equals = 6.4 6.4 hg. Construct a confidence interval estimate of the mean. Use a 98 98?% confidence level. Are these results very different from the confidence interval 25.8 25.8 hg less than < mu ? less than < 28.6 28.6 hg with only 16 16 sample? values, x overbar x equals = 27.2 27.2 ?hg, and s equals = 2.2 2.2 ?hg? What is the confidence interval for the population mean mu ??? nothing hg less than < mu ? less than < nothing hg ?(Round to one decimal place as? needed.)

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orchestra answered 1 year ago

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