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Here are summary statistics for randomly selected weights of newborn​ girls: n=165​, x=32.9 ​hg, s=7.2 hg....

Here are summary statistics for randomly selected weights of newborn​ girls: n=165​, x=32.9 ​hg, s=7.2 hg. Construct a confidence interval estimate of the mean. Use a 90​% confidence level. Are these results very different from the confidence interval 31.1 hg< μ < 33.5 hg with only 16 sample​ values, x=32.3 ​hg, and s=2.8 ​hg?

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