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[0.25/1 Points] DETAILS PREVIOUS ANSWERS BBBASICSTAT8 8.R.012.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Sherds of clay vessels were put together to reconstruct rim diameters of the original ceramic vessels at the Wind Mountain archaeological sitet. A random sample of ceramic vessels gave the following rim diameters (in centimeters). 15.9 13.4 22.1 12.7 13.1 19.6 11.7 13.5 17.7 18.1 In USE SALT (a) Use a calculator with mean and sample standard deviation keys to find the sample mean x and sample standard deviation s. (Round your answers to four decimal places.) x = 15,78 cm X cm Enter a number. (b) Compute a 95% confidence interval for the population mean , of rim diameters for such ceramic vessels found at the Wind Mountain archaeological site. (Round your answers to one decimal place.) lower limit cm upper limit cm