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) 140 - 154 155-169 170-184 185 - 199 200-214 215-229 230-244 Frequency 1 16 71 108 83 18 3 What is the class midpoint for the sixth class? class midpoint =

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