THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 125

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A statistics professor is interested in seeing if his students performed better on the second exam than the first.For the 45 students who scored a different score on the second exam than the first,the absolute values of the differences in their scores were ranked.The smaller of the ranked sums,320,was for those individuals who scored lower on their second exam.
-Is there evidence that the students did better on their second exam?

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Definitions:

Political Actions

Activities undertaken by individuals, groups, or governments to influence political decisions, policies, or public opinion.

Foreign Bonds

Bonds issued in a domestic market by a foreign entity, denominated in the domestic market's currency as a form of investment.

United States

A country in North America, consisting of 50 states, known for its significant economic and political influence globally.

Currency

A system of money in general use in a particular country or economic context.