Data were collected for 392 fish from Fort Pierce Inlet. The length of the fish (in mm) is summarized in the table below. Lengths (mm) Frequency 120-129 91 130-139 34 140-149 88 150-159 14 160-169 42 170-179 23 180-189 100 What is the class boundary between the second and third classes? Class boundary= What is the lower limit of the fifth class? Lower Class Limit = What is the midpoint of the sixth class? Midpoint = What is the upper limit of the fourth class? Upper Class Limit =