Mathematics, 27.06.2020 01:01, dededese2403

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 average 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 10th based on the posted speed limit of 45 mph?

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a highway speed monitor is located on the side of the road that has a speed limit of 45 mph, the sys...