Mathematics, 25.06.2019 00:00, johnsonkia873

Recent study investigated tractor skidding distances along a road in a forest. the skidding distances (in meters) were measured at 20 randomly selected road sites. the data are given in the accompanying table. a logger working on the road claims that the mean skidding distance is at least 425 meters. is there sufficient evidence to refute this claim? use alphaequals0.05.

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Recent study investigated tractor skidding distances along a road in a forest. the skidding distance...