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The Wind Mountain archaeological site is located in southwestern New Mexico Wind Mountain was home...

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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 artifacts 85 45 120 80 75 55 65 60 65 95 90 70 75 65 68 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 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 upper limit cm cm

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