please guys be careful with the answers, I'm been getting my answers wrong. please double check before sending it. and please send it a little faster please ?

e Wind Mountain archaeological site is located in southwestern New Mexico. Wind Mountain was home to an ancient culture of prehistoric Native Americans called Anasazi. A random mple of excavations at Wind Mountain gave the following depths (in centimeters) from present-day surface grade to the location of significant archaeological artifactst. 85 45 120 80 75 55 65 60 65 95 90 70 75 65 68 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.) cm cm (b) Compute a 98% confidence interval for the mean depth u at which archaeological artifacts from the Wind Mountain excavation site can be found. (Round your answers to one decimal place.) lower limit cm upper limit cm eed Help? Read It Watch It