A highway speed monitor is located on the side of the road that has a speed limit of 45 mph. The system records the speeds of passing vehicles. The data below shows the speeds of the first 9 cars that pass.
46 56 45 44 45 61 55 53 39
What is the standard deviation, to the nearest tenth, based on the posted speed limit, 45 mph?
+5
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Home » Mathematics » A highway speed monitor is located on the side of the road that has a speed limit of 45 mph. The system records the speeds of passing vehicles. The data below shows the speeds of the first 9 cars that pass.