SAT Scores for Students Selected Randomly from Two Different Schools

question 4

Essay

SAT scores for students selected randomly from two different schools are shown in the table.At a significance level of 0.05,does the Wilcoxon rank sum test provide evidence of a difference between the two schools?

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Definitions:

Net Importer

A country or region that imports more goods and services than it exports, resulting in a negative trade balance.

Economies Of Scale

The cost advantage that arises with increased output of a product, where the average cost per unit falls as the volume of its production increases.

Opportunity Cost

The next best alternative foregone as a result of making a decision.

Rice

A staple food grain consumed by a large portion of the world's population, particularly in Asia.