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   
80 - 81 1
82 - 83 16
84 - 85 71
86 - 87 108
88 - 89 83
90 - 91 18
92 - 93 3



What is the upper class limit for the sixth class?

upper class limit = 

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