A.MI., and 2 P.M. They arrive at 8:04 A.M., 9:10 A.M., 9:52 A.M., 10:56 A.M., 11:55 A.M., 1:10 P.M., and P.M., respectively. Find the mean deviation and standard deviation of the amount of time by which a s late.

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A: It's trigonometric question so I'm providing hand written solution for better understanding.

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