The following table shows analyst sentiment ratings for the 30 stocks listed in the Dow Jones Industrial Average. 
(See the Excel Data File.)
A) Construct a frequency distribution, relative frequency distribution, cumulative frequency distribution and relative cumulative frequency distribution using classes of 2 up to 4, 4 up to 6, 6 up to 8, and 8 up to 10.
B) Construct a histogram that summarizes the data.
C) What percentage of the stocks in the Dow Jones Industrial Average received a sentiment rating less than 8?
D) What percentage of the stocks in the Dow Jones Industrial Average received a sentiment rating of 6 or more?
Definitions:
Social Identity
The part of a person’s self-concept that is based on his or her identification with a nation, religious or political group, occupation, or other social affiliation.
Self-Concept
An individual's perception of themselves, including beliefs about one's own abilities, appearance, and personality.
Bystander Apathy
A psychological phenomenon where individuals are less likely to offer help to a victim when other people are present.
Diffusion of Responsibility
A socio-psychological phenomenon whereby a person is less likely to take responsibility for action or inaction when others are present.
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