The following table shows the number of individuals in a sample of 300 who indicated they support the new tax proposal.
Political PartySupport
Democrats100
Republicans120
Independents80
?
We are interested in determining whether or not the opinions of the individuals of the three groups are uniformly distributed. The number of degrees of freedom associated with this problem is

A. 2.
B. 3.
C. 300.
D. 299.


Answer: A

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