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StatisticsQ&A LibraryUsing the simple random sample of weights of women from a data set, we obtain these sample statistics: n=45 and x=143.49lb. Research from other sources suggests that the population of weights of women has a standard deviation given by σ=30.42lb. a. Find the best point estimate of the mean weight of all women. b. Find a 95% confidence interval estimate of the mean weight of all women.Start your trial now! First week only $4.99!*arrow_forward*

Question

Using the simple random sample of weights of women from a data set, we obtain these sample statistics: n=45 and x=143.49lb. Research from other sources suggests that the population of weights of women has a standard deviation given by

σ=30.42lb.

a. Find the best point estimate of the mean weight of all women.

b. Find a 95% confidence interval estimate of the mean weight of all women.

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