(Solution) - Following is the number of shareholders for a selected group -(2025 Original AI-Free Solution)

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Following is the number of shareholders for a selected group of large companies (in thousands):

The shareholder numbers are to be organized into a frequency distribution and several graphs drawn to portray the distribution.
a. Using seven classes and a lower limit of 130, construct a frequency distribution.
b. Portray the distribution as a frequency polygon.
c. Portray the distribution in a cumulative frequency polygon.
d. According to the polygon, three out of four (75%) of the companies have how many shareholders or less?
e. Write a brief analysis of the number of shareholders based on the frequency distribution and graphs.