Calculate, for the composite and each of the subject areas, the difference between the national average and the Oklahoma scores. Composite English Math Reading Science Express each difference as a percentage of the national score. (Round your answers to two decimal places.) Composite English Math Reading Science

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.