Hundreds of thousands of people infected  Number of countries [1.0;3.0) 5 [3.0;5.0) 8 [5.0;7.0) 17 [7.0;9.0) 6 [9.0;11.0) 3 [11.0;13.0) 1 Total 40   Please Calculate the coefficient of variation for the above data. Please Calculate the mid-50% range the above data

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