The following Data was gathered to find out whether or not Nassau Community College Students work 18 hours per week :
20, 49, 0, 20, 15, 40, 45,40, 22, 10, 24, 25,29,30,30, 20, 25, 30, 20, 24, 0, 0, 38, 0, 12,17, 22, 30, 25, 33, 48, 0, 30, 15, 23, 12, 2, 0, 0, 24
Describe the null hypothesis