please guys be careful, this is the second time I sent this question and I still getting the upper and lower limits wrong. and please send the answer a little bit faster ?

The 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 sample 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 LO 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 = 74.2 cm S = 18.2530 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 63.2 X upper limit 85.2 X cm Need Help? Read It Watch It