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 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 = S = cm cm (b) Compute a 98% 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 upper limit cm cm 2. [-/4 Points] DETAILS BBUNDERSTAT12HS 7.R.015.S. MY NOTES ASK YOUR TEACHER A random sample of 20 adult male wolves from the Canadian Northwest Territories gave an average weight x1 = 98.4 pounds with estimated sample standard deviation s = 5.8 pounds. Another sample of 22 adult male wolves from Alaska gave an average weight x2 = 89.6 pounds with estimated sample standard deviation S = 6.6 pounds. USE SALT (a) Categorize the problem below according to parameter being estimated, proportion p, mean , difference of means - H2, or difference of proportions P1 - P2. Then solve the problem. OP M1 M2 OP1 P2 (b) Let represent the population mean weight of adult male wolves from the Northwest Territories, and let represent the population mean weight of adult male wolves from Alaska. Find a 90% confidence interval for - H2. (Use 1 decimal place.) lower limit upper limit (c) Examine the confidence interval and explain what it cans in the this problem. Does the interval consist of numbers that are all positive? all negative? of different