A psychology office at a certain college conducted a study on student risk, from that same institution, suffer depression. To this end, he accompanied 25 students, having reached the following conclusion: 2 have a high risk, 10 a low risk, 5 a risk medium, 1 very high risk and 7 very low risk. Build the frequency table for available data, obtain adequate graphic representations and determine statistical measures appropriate. Analyze the results.

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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.