Here n is sufficient large so we will use z distribution to find CI
z value for 90% CI is 1.645 as P(-1.645<z<1.645)=0.90
Hence Margin of Error is
Hence CI is
So answer is
Yes it is different from
Here are summary statistics for randomly selected weights of newborn girls: n= 176, x-28.5 hg, s...
Here are summary statistics for randomly selected weights of newborn girls: n=238, x=26.6 hg, s=6.5 hg. Construct a confidence interval estimate of the mean. Use a 99% confidence level. Are these results very different from the confidence interval 25.1 hg< mu <28.3 hg with only 17 sample values, x = 26.7 hg, and s=2.2 hg?
Here are summary statistics for randomly selected weights of newborn girls: n=184, x= 32.6 hg, s=7.3 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence interval 31.3 hg < μ <34.9 hg with only 16 sample values, x=33.1 hg, and s=2.8 hg?
Here are summary statistics or randomly selected weights of newborn girls: n-186, x-265 hg.-68g Construct a confidence interval estimate of the mean, Use a 99% confidence level Are these results very different from the confidence interval 24.6 hg < μ 27.6 hg with only 19 sample values x = 26.1 hg and s=2.3 hg? What is the confidence interval for the population mean μ? (Round to one decimal place as needed)
Here are summary statistics for randomly selected weights of newborn girls: n=263, x overbar =35.1hg, s=8.38.3 hg. Construct a confidence interval estimate of the mean. Use a 96% confidence level. Are these results very different from the confidence interval 33.0 hg < μ < 35.8 hg with only 24 sample values, x overbar= 34.4 hg, and s=3.23.2 hg? What is the confidence interval for the population mean μ? Are the results between the two confidence intervals very different?
Here are the summary statistics for randomly selected weights of newborn girls: n = 220, x = 29.9 hg, s = 6.4 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence interval 29.3 hg < u < 31.7 hg with only 19 sample values, x = 30.5 hg and s = 2.1 hg?
Here are summary statistics for randomly selected weights of newborn girls: n=196196, x overbarx=27.227.2 hg, s=7.87.8hg. Construct a confidence interval estimate of the mean. Use a 90% confidence level. Are these results very different from the confidence interval 25.325.3 hg less than <muμless than <28.328.3 hg with only 15 sample values, x overbarx =26.826.8hg, and s=3.43.4hg?
Here are summary statistics for randomly selected weights of newborn girls: n=235, x overbar=29.42hg, s=7.37hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence interval 27.2hg<μ<31.0hg with only 16sample values, x overbar=29.1hg, and s equals=2.9hg? What is the confidence level What is the confidence interval for the population mean μ? Are the results between the two confidence intervals very different?
Here are summary statistics for randomly selected weights of newborn? girls: nequals244?, x overbarequals31.8 ?hg, sequals7.3 hg. Construct a confidence interval estimate of the mean. Use a 99?% confidence level. Are these results very different from the confidence interval 29.3 hgless thanmuless than34.1 hg with only 15 sample? values, x overbarequals31.7 ?hg, and sequals3.1 ?hg? What is the confidence interval for the population mean mu??
Here are summary statistics for randomly selected weights of newborn girls: n equals = 186 186, x overbar x equals = 27.7 27.7 hg, s equals = 6.2 6.2 hg. Construct a confidence interval estimate of the mean. Use a 95 95% confidence level. Are these results very different from the confidence interval 26.2 26.2 hg less than < mu μ less than < 28.2 28.2 hg with only 16 16 sample values, x overbar
Here are summary statistics for randomly selected weights of newborn girls: n = 155, x= 327 hg, s-6 8 hg Construct a confidence interval estimate of the mean Use a 95% confidence level. Are these results very different from the confidence interval 32.0 hg H34.2 hg with only 20 sample values, x 33.1 hg, and s 2.3 hg? What is the confidence interval for the population mean μ ? __hg < μ< __ hg (Round to one decimal place as needed.) Are the...