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Mathematics 7 Online
OpenStudy (anonymous):

Data Set B: Speeds Recorded by the State Police 53, 55, 55, 55, 57, 57, 60, 60, 62, 63, 63, 64, 67, 68, 68, 70, 72, 73 Find the mean speed of Data Set B. 1) 62.3 2) 64.1 3) 62.5 4) 61.2

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