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
160 - 161
1
162 - 163
16
164 - 165
71
166 - 167
108
168 - 169
83
170 - 171
18
172 - 173
3


What is the class boundary between the third and fourth classes?

class boundary =

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