When planning for a new forest road to be used for tree harvesting, planners must select the location to minimize tractor skidding distance. The skiding distances ( in meters) were measured at 20 randomly selected road sites. The sample results were x= 357.5, s= 117.29. Logger working on the road claims the skidding distance is at least 400 meters. Is there sufficient evidence to refute this claim?
Dear Student, Please increase the... View the full answer