Answer :
The class boundaries midpoint and width are 128 and 16
Finding the class boundaries midpoint and width
from the question, we have the following parameters that can be used in our computation:
120 - 136
The class boundaries midpont is calculated as
Midpoint = (120 - 0.5 + 136 + 0.5)/2
Evaluate
Midpoint = 128
For the width, we have
Width = 136 - 120
Width = 16
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