A researcher is concerned about the level of knowledge possessed by university students regarding Philippine history. Students have completed a senior high school level standardized history exam. Major courses for students were also recorded. The percentage of correct answers is recorded below for 32 students.Determine if there will be difference in the scores of students taking up different courses. Education Business Ad Political Science Fine Arts 62 72 42 80 81 49 52 57 75 63 31 87 58 68 80 64 67 39 22 28 48 79 71 29 26 40 68 62 36 15 76 45

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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.