A committee of students wanted to know whether student activity fees were being charged fairly. To determine whether commuting and resident students differed in their use of campus activities, the following sample data were collected pertaining to the number of campus activities/clubs each student joined:

Applying the Mann-Whitney U test, test the null hypothesis of no difference between commuters and campus residents with respect to use of campus activities.

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Commuters Campus Residents 6214 8 3321 1 5 9 12 4 11 9 8 6 6 11 12 11 10 7 9