Respuesta :
					                   Number 1
Because it varies how much time each student spends on the computer.
					                
					                
					             Because it varies how much time each student spends on the computer.
					                   2 and 3 can be solved as in research or graphing you might say but 1 would have to survey multiple students just to see whats the adverge time you might say
					                
					                
					             