Five students took a math test before and after tutoring.Their scores were as follows. 
Do the data suggest that the tutoring improves math scores? Conduct a Wilcoxon signed rank test using a 0.05 level of significance.
Definitions:
Consumer's Contract
An agreement between a buyer and seller detailing the terms of a purchase, often including rights, responsibilities, and warranties specific to consumer transactions.
Valid Defense
A legally acceptable reason or argument presented in a court to counter the allegations made in a lawsuit.
Liability
The state of being responsible for something, especially in terms of a legal or financial obligation.
Right of Recourse
The legal right to demand compensation or payment from a third party after fulfilling an obligation, especially in financial transactions.
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