A simple random sample of men is obtained and the elbow-to-fingertip length of each man is measured. The population of those lengths has a distribution that is normal. The sample statistics are n = 35, x overbar = 13.9, s = 0.6. Determine the critical value of t and the margin of error, and then construct the 95% confidence interval estimate for the population mean. The critical value is t =? Round to three decimal