Astudent group maintiains that the average student must travel for at least 25 minutes in oder to reach college. what is the null hypothesis

A null hypothesis is a hypothesis that shows that there is nothing related between two or more things.
So the null hypothesis might be:
It doesn't take the average student at least 25 minutes to reach college.

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada