Assume that you have information on the size of all 45 firms, in the island of Garibaldi, that employs between 50 and 110 employees. Also assume that, using this information, you decide to construct a histogram of the distribution of firms' size. Using the optimal number of classes, the midpoint of the fourth class in this histogram is:

MATLAB: An Introduction with Applications
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Assume that you have information on the size of all
45 firms, in the island of Garibaldi, that employs
between 50 and 110 employees. Also assume that,
using this information, you decide to construct a
histogram of the distribution of firms' size. Using the
optimal number of classes, the midpoint of the fourth
class in this histogram is:
Transcribed Image Text:Assume that you have information on the size of all 45 firms, in the island of Garibaldi, that employs between 50 and 110 employees. Also assume that, using this information, you decide to construct a histogram of the distribution of firms' size. Using the optimal number of classes, the midpoint of the fourth class in this histogram is:
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