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Exhibit 7-13: an Investigator Wished to Look at the Relationship

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Exhibit 7-13: An investigator wished to look at the relationship between the aspirations of high school juniors for a college education and their current grade point averages.He asked 150 high school juniors whether or not they wanted to attend college.The following data were obtained:
GPA Below average  Average  Above average  Aspiration  Yes 152535 to attend College  No 352515\begin{array}{lllll} &&&GPA\\& & \text { Below average } & \text { Average } & \text { Above average } \\\text { Aspiration } & \text { Yes } & 15 & 25 & 35 \\\text { to attend College } & \text { No } & 35 & 25 & 15\end{array}
Apply the X2 test to the above data and then answer the following questions.
-Refer to Exhibit 7-13.The degree(s) of freedom for this problem is (are)

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Definitions:

Low Tax Rates

A situation in which the percentage at which an individual or corporation is taxed is lower than the typical or average rate.

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The phenomenon where policies or regulations are influenced primarily by a small, vocal group acting in its own interest, rather than the broader public interest.

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The supply of goods or services by the government directly or through funding public institutions.

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