Samples of Republicans and Democrats were asked to rate on a scale from 1 to 7 their opinion of prayer in public schools, with 1 being the most opposed to school prayer and 7 being the most in favor of school prayer. Given the following scores, test the null hypothesis of no difference between Republican and Democratic views of prayer in public schools.

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Republicans Democrats 1 2 1 4 574 3 65736 5 5 46 3 1 4 5 1 2 2