# Statistics

Here are summary statistics for randomly selected weights of newborn​ girls: n=217​, x=31.7​hg, s=6.5hg. Construct a confidence interval estimate of the mean. Use a ​98% confidence level. Are these results very different from the confidence interval 29.6hg< u < 32.6hg with only 17 sample​ values, x=31.1​hg, and s=2.4​hg?

What is the confidence interval for the population mean ​?
hg < u < hg

​(Round to one decimal place as​ needed.)

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