Question

Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below.

  Lengths (mm)      Frequency   
180 - 199 1
200 - 219 16
220 - 239 71
240 - 259 108
260 - 279 83
280 - 299 18
300 - 319 3



What is the class midpoint for the fourth class?

class midpoint = 

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